The contents of this collaborative report are as follows: Chapter I--Terms of Reference. Chapter II--Historical Summary of Non-Research. Chapter III--Studies of Urban Infrastructure Elements: (A) Domestic Water Supply; (B) Removal and Treatment Solid and Liquid Wastes; (C) Domestic Power Supply; (D) Urban Transportation; (E) Urban Land. Chapter IV--Summary of Conclusions and Research Needs. Chapter V--The Next Step. [For related documents in this series, see UD 013 731-UD 013 744 for surveys of specific countries. For special studies analyzing urbanization in the Third World, see UD 013 745 and 013 747-748.] (Author/SB)