000 002840000a22001210004500
008 140223b1988 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:ESA
245 _aPOPULATION BULLETIN OF THE UN NO 23/24 1987
260 _aNY
_bUN
_c1988
650 _a
_a
906 _a:UN
999 _c131772
_d131772