Simmers, I. 1., Villarroya, F., Rebollo, L. F., & Simmers, I. (1992). Selected papers on aquifer overexploitation: From the 23rd International Congress of I.A.H., Puerto de la Cruz, Tenerife (Spain), April 15-19, 1991. Hannover, West Germany: Verlag H. Heise.
Παραπομπή Chicago StyleSimmers, I. 1937-, Fermin Villarroya, Luis F. Rebollo, and Ian Simmers. Selected Papers On Aquifer Overexploitation: From the 23rd International Congress of I.A.H., Puerto De La Cruz, Tenerife (Spain), April 15-19, 1991. Hannover, West Germany: Verlag H. Heise, 1992.
Παραπομπή MLASimmers, I. 1937-, Fermin Villarroya, Luis F. Rebollo, and Ian Simmers. Selected Papers On Aquifer Overexploitation: From the 23rd International Congress of I.A.H., Puerto De La Cruz, Tenerife (Spain), April 15-19, 1991. Hannover, West Germany: Verlag H. Heise, 1992.