1. H. Huebner, editor (E. Schmidt Verlag (1978) 500 pp.)
2. C. E. Hamilton, editor (ASTM Special Technical Publication No 422, 4th edition (1978) 472 pp.)
3. R. J. Brown (NTIS Rept. PS-77/0947/OGA (1977))
4. D. E. Carr, Death of the Sweet Waters (W. W. Norton & Co, New York (1977) 257 pp.)
5. A. Van Dam (The Futurist 11, No 3 (1977) 163/167)