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005 20161214175052.0
040 _bENGLISH
082 _a500
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100 _aVerma, R.K
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245 _aIndian Science Abstracts
_p47
250 _a2011
260 _aNew Delhi
_bNational Institute of science communication and Information Resources(CSIR)
_c2011
300 _aK18
_e30cm
_f47
365 _b265
942 _2ddc
_cBK
999 _c70730
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