TY - BOOK AU - THRALL, R. M TI - Economic modelling for water policy evaluation U1 - 333.91 E22 PY - 1976/// PB - Amsterdam KW - WATER RESOURCES DEVELOPMENT -- - CONGRESSES KW - S -- - CONGRESSES KW - WATER RESOURCES DEVELOPMENT -- - CONGRESS KW - WATER RESOURCES DEVELOPMENT -- MATHEMATI ER -