00307nam a2200097Ia 4500080001800000100002200018245010100040260003900141300001000180583001900190  a03.01.02 W927  aCaldwell, John C.  aSoft underbelly of development : demographic transition in conditions of limited economic change  bWorld BankaWashington, DCUSc1990  a55 p.  c3/7/00kM2LMGR