000 00290nam a22000977a 4500
082 _a312 POP.N1
245 _aConcise report on the world population situation in 1991 with a special emphasis on age structure
260 _aNewyork
_bUnited Nations
_c1991
300 _a33
942 _2ddc
_cUN&WB
999 _c739323
_d739323