000 00410nam a2200193Ia 4500
008 200208s9999 xx 000 0 und d
020 _a9788123761916
082 _aH 500 LAV
100 _a"Lavkare, P.J."
245 0 _aVigyaan or aap
260 _aNew Dehli
260 _bNBT
260 _c2012
300 _a127p.
365 _b160
365 _dRS
650 _a"Science, Vigyan"
942 _cB
999 _c181164
_d181164