By Sheshadri T.S.   in Vacuum

ISSN:0042-207X|59|4|904-909

Elsevier‎(2000)‎

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By Gupta S. B.   Sheshadri T. S.   Jain V. K.   in Acta Acustica united with Acustica

ISSN:1610-1928|76|2|101-103

S. Hirzel Verlag‎(1992)‎

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