The text is in two parts; Part One covers dam engineering, and Part
Two other hydraulic structures. Mr A.I.B. Moffat is the author of Chap-
ters 1, 2, 3 and 7, and of section 15.2. Dr C. Nalluri wrote Chapters 9, 10,
12 and 13, and sections 8.4 and 8.5. Dr R. Narayanan of UMIST was
invited to lecture at Newcastle for two years, on coastal engineering, and is
the author of Chapter 14. The rest of the book was written by Professor
P. Novak (Chapters 4, 5, 6 and 8, except for sections 8.4 and 8.5, Chapter
11 and section 15.1), who also edited the whole text.P. Novak, A.I.B. Moffat, C. Nalluri and R. Narayanan
Newcastle upon Tyne, 1989xviii PREFACE TO THE FIRST EDITION