00467nam a22001457a 4500020001500000082001900015100001400034245004700048260004100095300000900136650002800145942000700173952012800180999001300308 a8174090738 a621.042bRAI-N a Rai, G.D aNon-conventional energy sources / G.D. Rai aNew Delhib Khanna Publishers c2011 a911p aEnergy SourcesaPhysics cBK 001040708PHYaMAINbMAINcPHY SHELFd2022-12-29l1o621.042 RAI-Np0286r2024-10-18 12:58:40s2024-09-28w2022-12-30yBK c574d574