000 00278nam a22001097a 4500
082 _a304.6 IES
245 _aProspects of population :
_bmethodology and assumptions /
260 _aNew York :
_bUnited Nations,
_c1979.
300 _a292p. :
650 _aPopulation
942 _cBK
999 _c526241
_d526241