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020 _a978-93-90455-60-7
037 _aTB
040 _aCRL
_beng
_cCRL
041 _aeng
_2eng
084 _aQ2:23 Q3
084 _qCRL
100 _aSehgal N.K. (HansRaj) Au.; Kapil P. N. Au.; Sarita Kumar Au.; Arora O. P. Ed.
_9729791
245 0 _aVisualised science and technology
_cSehgal N.K. (HansRaj) Au.; Kapil P. N. Au.; Sarita Kumar Au.; Arora O. P. Ed.
260 _aNew Delhi, India
_bSultan Chand
_c2129
300 _a258p.
365 _aINR
_b0
650 _aNatural Sciences
942 _cTB
_hQ2:23 Q3
999 _c1234517
_d1234517