000 00245pam a2200121a 44500
082 _a312
_bUn3
100 _a
245 1 _aUNITED NATIONS POPULATION STUDIES
260 _a
_b
_c
440 _aNo.13
_v
964 _gCIRC
997 _a57404 v. 2 C
999 _c421604
_d421604