01050nam a2200217 a 4500 1/4225 840709s1984 ne a b 00110 eng 0444875921 4467 DLC GR-PeUP 301.31 HA Hafkamp, Wilhelmus A., 1953- Economic-environmental modeling in a national-regional system : an operational approach with multi-layer projection / Wilhelmus A. Hafkamp. Amsterdam ; New York : North-Holland ; New York, N.Y., U.S.A. : Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1984. xvi, 235 σ. : εικ. ; 25 εκ. Studies in regional science and urban economics ; Περιέχει βιβλιογραφία και ευρετήριο. Environmental policy Mathematical models. Studies in regional science and urban economics ; 10 INST UNIPILB MAIN 20040709 301.31 HA 00120276 00120276 LOAN 0 1 /webopac/covers/02/4467_0444875921.jpg