Dr Iwona Rummel-Bulska, 'The Author' (2004), pp. 3–4, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'List of Abbreviations' (2004), pp. 9–10, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part I. Genesis and Historical Development' (2004), pp. 11–12, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part II. Institutional Framework' (2004), pp. 13–26, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part III. Constituent Bodies' (2004), pp. 27–62, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part IV. WMO Activities and Programmes' (2004), pp. 63–90, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part V. Finance' (2004), pp. 91–104, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part VI. Relations with International Organizations' (2004), pp. 105–112, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part VII. Data Exchange' (2004), pp. 113–118, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part VIII. Publications' (2004), pp. 119–120, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Part IX. WMO in the 21st Century' (2004), pp. 121–122, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Appendix 1. List of WMO Members in Alphabetical Order with Websites of the National Weather Services or the National Hydrological Services' (2004), pp. 123–126, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Appendix 2. List of WMO Members by Region' (2007), pp. 127–130, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Appendix 3. Agreements Working Arrangements and Memoranda of Understanding Concluded by WMO with other International Organizations' (2004), pp. 131–134, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Appendix 4. WMO Publications Available in English' (2004), pp. 135–138, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Dr Iwona Rummel-Bulska, 'Subject Index' (2004), pp. 139–140, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)