000 00321nam a2200145Ia 4500
003 IN-KoSCC
082 _aREF
_b534 GHO
100 1 _aGhosh M
245 1 _aText book of sound
260 _aNew Delhi
_bS.Chand
_c1976
300 _avii,265p.
_bill.Diagrs.
_c21.5cm.
500 _aRs.12.00
653 _aChemistry
942 _cBK
999 _c2710
_d2710