Buchan, S. (1955). Artificial Replenishment of Aquifers. J. Inst. Wat. Engrs.9, 111.
2.
Buchan, S. and Key, A. (1956). Pollution of Ground Water in Europe. Bull. Wld Hlth Org.14, 949.
3.
Baffa, J.J. and others (1960). Purposes of Artificial Recharge. J. Amer. Wat. Wks Ass.52, 1,315.
4.
Todd, D.K. (1959). Annotated Bibliography on Artificial Recharge of Ground Water through 1954. U.S. geol. Surv. Wat. Supply Pap. No. 1,477.
5.
Gotaas, H.B. (1954). Final Report on Laboratory and Field Investigation of the Travel of Pollution from Direct Recharge into Underground Formations . State Water Pollution Control Board, California Pub. 11.
6.
Caldwell, E.L. and Parr, L.W. (1937). Ground-water Pollution and the Bored-hole Latrine. J. infect. Dis.61, 148.
7.
Baars, J.K. (1957). Travel of Pollution, and Purification en route, in Sandy Soils. Bull. Wld Hlth Org.16, 727.
8.
Sayre, A.N. and Stringfield, V.T. (1948), Artificial Recharge of Ground-water Reservoirs. J. Amer. Wat. Wks Ass.40, 1,152.