000 00284nam a2200109Ia 45e0
008 181001s1977 xx 000 0 und d
100 _aKewal pujara
245 0 _aNoise for Engineers
260 _aDelhi
_bDhanpat Rai & Sons
_c1977
300 _a104
942 _2ddc
_cBK
999 _c3228
_d3228