000 00280nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aRATTAN LAL HANGLOO
245 0 _aHISTORY OF SCIENCE AND TECHNOLOGY
260 _bRawat
260 _c2011
365 _b795.00
942 _cBK
999 _c168756
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