TY - BOOK AU - Churchman,C.West (Charles West),1913 AU - Mason,Richard O. TI - World modeling: a dialogue SN - 072040388X PY - 1976/// CY - Amsterdam PB - North-Holland Pub. Co KW - Economic history KW - 1945 KW - Mathematical models KW - Addresses, essays, lectures KW - Social history N1 - Includes bibliographical references ER -