00768nam a2200193 a 4500 1/36156 081218s1975 iaua bs 001 0 eng 0813815754 38680 DLC DLC DLC GR-PeUP 338.1'8'0184 HEA Heady, Earl Orel, 1916- Spatial sector programming models in agriculture / [edited by] Earl O. Heady, Uma K. Srivastava. Ames : Iowa State University Press, 1975. xx, 484 σ. : εικ. ; 25 εκ. Περιέχει βιβλιογραφία και ευρετήριο. Agriculture and state Mathematical models. Srivastava, Uma K. INST UNIPILB MAIN 20081218 338.1'8'0184 HEA 00156909 00156909 LOAN 0 1