TY - BOOK AU - Mass,Nathaniel J. TI - Economic cycles: an analysis of underlying causes SN - 0914700030 : AV - HB3711 .M364 U1 - 338.54 PY - 1975/// CY - Cambridge, Mass. PB - Wright-Allen Press KW - Business cycles KW - Mathematical models KW - Economic stabilization N1 - Includes index; Bibliography: p. 173-179 ER -