COWAN J.P, . (1994). HANDBOOK OF ENVIRONMENTAL ACOUSTICS. NEWYORK: JOHN WILEY AND SONS LTD.
COWAN J.P, . 1994. HANDBOOK OF ENVIRONMENTAL ACOUSTICS. NEWYORK: JOHN WILEY AND SONS LTD.
COWAN J.P, . HANDBOOK OF ENVIRONMENTAL ACOUSTICS. NEWYORK: JOHN WILEY AND SONS LTD. 1994.