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020 _a0706904753
_c35
040 _aMAIN
041 _aEnglish
082 _a500.954
_bNAN
100 _aNanda, B. R.
245 0 _aScience and technology in india
260 _aNew Delhi
_b; Vikas
_c, 1977
300 _a169p.
650 _aScience
650 _aScience-India
942 _cBK
999 _c117196
_d117196