003170000a22001450004500020001500000060000800015082001600023100002000039100002600059245001700085260003500102260000900137300000800146650001700154  a8185167257  a100  a621.471 MAT  aMaheshwari, R C  aMatheu A N, Yusuf Ali  aSolar drying  aUdarpur, Himanshu publications  c1989  a228  aSolar drying