00319nam a2200109 a 450000500170000002000150001708200180003210000170005024500690006726000480013630000250018420251203091223.0  a8185005001  a338.1954bNAR  aNarayanan, S  aDemand-supply gap and public distribution of foodgrains in India  aNew DelhibAgricole Publishing Acadmyc1986  axii,166p.c22cm.cHB