000 00284nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a620.23 N77 PUJ
100 _aPUJARA K
245 _aNOISE FOR ENGINEERS
260 _bDHANPAT RAI AND SONS
_c1977
300 _a149
999 _c18681
_d18681