V. Raman,
“Sanitation facilities for slums and rural areas”. National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 10 p., ((14)) p. tech. drwgs, 1975.
C. H. World Coun Geneva,
“Technical study on a windmill pump”. World Council of Churches, Geneva, Switzerland, p. ca, 70 p. : techn. drwng, 1975.