of the former entries on the Environment have been changed, and two new appendixes have been added--Appendix D: Abbreviations for Selected International Environmental Agreements and Appendix E: Selected International Environmental Agreements. The name of Macedonia was changed to The Former Yugoslav Republic of Macedonia (FYROM). The gross domestic product (GDP) of most of the developing countries is now presented on a purchasing power parity (PPP) basis rather than on an exchange rate basis. The electronic files used to produce the Factbook have been restructured into a database. As a result, the formats of some entries in this edition have been changed. Additional changes will occur in the 1995 Factbook. Abbreviations: (see Appendix B for abbreviations for international organizations and groups and Appendix D for abbreviations for international environmental agreements) avdp. -- avoirdupois c.i.f. -- cost, insurance, and freight CY -- calendar year DWT -- deadweight ton est.