000 00451nam a2200157Ia 4500
008 131122s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a620.102
_bU147
110 _aUltrasonics International Conference(1981 : Brighton,U K)
111 _cBrighton, U K
_d1981
245 _aProceedings
260 _aSurrey
_bIPC Science and Technology Press
_c1981
650 _aAcousticla engineering
942 _cBK
999 _c107173
_d107173