000 00383nam a2200097 4500
245 _aAge structure of mortality in developing countries: a data base for cross - sectional and time series research
100 _aUnited Nations: Department of international Economic and Social Affairs
260 _aNew York
_bUnited Nations
_c1986
300 _avi,267p.:tables; 28cm.
082 _a312.2
_bUNI
999 _c46156
_d46156