TY - BOOK AU - Churchman, C West (Ed.) AU - Mason, Richard O (Ed.) TI - World modeling: a dialogue SN - 0-44-110291-1 U1 - 330.904 21st PY - 1976/// CY - Amsterdam PB - North-Holland Publishing Company KW - Economic history-1945; Mathematical models-Addresses,essays,lectures; social history-1945; Mathematical models-Addresses,essays,lectures ER -