000 00313nam a2200121Ia 4500
005 20251103125321.0
008 251103s9999 xx 000 0 eng d
100 _aVerma M.L.
245 0 _aPadap Pristithki Kosika Vigyan Prjanan anuvanshiki & Vikas
260 _bAlka Prakasan
650 _aScience
942 _2ddc
_cBK
999 _c801
_d801