00429pab a2200133 454500008004000000100002200040245010300062260000900165300001100174362000900185650003600194700002000230773004500250180718b1984   xxu||||| |||| 00| 0 eng d  aEntwisle, Barbara  aFertility and pension programs in LDCs (Less Developed Countries)bA model of mutual reinforcement  c1984  a331-54  aJan.  aPensions - Underdeveloped Areas  aC.R. Winegarden  aEconomic Development and Cultural Change