000 00261nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a620.112 97 N76 GUP/SHA
100 _aGUPTA R B
245 _aELECTRICAL ENGINEERING MATERIALS
300 _a316
999 _c9326
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