000 00266nam a2200109Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aGANGULI, A K
245 0 _aTEXT BOOK OF WAVES AND OSCILLATIONS
260 _aDELHI
_bS CHAND
_c1994
300 _a272
942 _2ddc
999 _c60162
_d60162