00334nam a2200121Ia 4500082002400000100004700024245004500071260002000116300000600136490006000142500000500202700000500207  aSC:300(54)bNSS.210  aIndia. National Sample Survey Organisation  aBirth and death rates by recall periodb  aNew DelhibNSSO  a   aNSS report no. 210 (Round no. 21) July 1966 - June 1967  a  a