By Rao S. Nana   Rao K. Subba   in Acta Acustica united with Acustica

ISSN:1610-1928|35|4|276-278

S. Hirzel Verlag‎(1976)‎

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By Sarma A. Viswanatha   Rao S. Nana   Rao K. Subba   in Acta Acustica united with Acustica

ISSN:1610-1928|37|4|282-283

S. Hirzel Verlag‎(1977)‎

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