000 00264 a2200121 4500
080 _a31:301(063)
_bN 271 P
245 1 _aProceedings
260 _aNew Delhi
_bAllied Pub.
_c1977
650 _aSocial Statistics
100 _a
_d
300 _a819 p.
901 _a132146
999 _c60421
_d60421