00577nam a2200169 a 450000500170000008200210001710000230003824500870006126000700014830000230021869000380024170000140027996400190029399700120031299900170032495200660034120251203091945.0  a954.004,bD, Ray  aRay, Priyadaranjan  aCultural Heritage of India, Vol.VI: Science and Technology, Priyadaranjan Ray, eng  aCalcutta, The Ramakrishna Mission, Institute of Culture, Inc1991  axix, 550p.c26 cm.  aIndia, Cultural Heritage, History  aSen, S.N.  bEngcdefg_  a67425 W  c58864d58864  02104070aPUbPUd1998-04-09l0o954.004, D, Rayp67425yBK