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		Scattering of acoustic and electromagnetic waves by small impedance bodies of arbitrary shapes : applications to creating new engineered materials / Alexander G. Ramm. by Ramm, A. G. (Alexander G.) [author.] Material type: Text; Format: available online ; Literary form: Not fiction ; Audience: Specialized; Publisher: New York, [New York] (222 East 46th Street, New York, NY 10017) : Momentum Press, 2013 Online resources: Click to View Availability: Items available for loan: Colombo (1). Jaffna (1). Kandy (1).
		Atmospheric acoustics / Xunren Yang. by Yang, Xunren [author.] Material type: Text; Format: available online ; Literary form: Not fiction Publisher: Berlin, [Germany] : De Gruyter : Science Press Beijing, 2016Copyright date: ©2016 Online resources: Click to View Availability: Items available for loan: Colombo (1). Jaffna (1). Kandy (1).

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