TY - BOOK AU - Lave,Charles A. AU - March,James G. TI - An introduction to models in the social sciences SN - 0819183814 (alk. paper) U1 - 300/.1/51 20 PY - 1993/// CY - Lanham, Md. PB - University Press of America KW - Social sciences KW - Mathematical models N1 - Originally published: New York : Harper & Row, 1975; Includes bibliographical references and index ER -