000 00501nam a22001697a 4500
008 230711b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a546.26
_bN3
100 _aVerma, Ajit Ram
245 _aअनमोल रत्न हीरा
246 _aAnmol ratan hira
260 _aNew Delhi:
_bPrakashan Avam Soochna Nideshalya,
_c1993
300 _a71p.
650 _2Science
650 _2Chemistry
942 _2udc
_cBK
999 _c51327
_d51327