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	1.	No cover image available Propagation of sound from blasting at Singleton Army Range / L.C. Kenna, R. Bullen and N.A.L. Noise Section by Kenna, L.C Bullen, R National Acoustic Laboratories (Australia) National Acoustic Laboratories (Australia). Noise Section Series: NAL Report ; No.71 \| N.A.L. report ; no.71 Publication details: Sydney : National Acoustic Laboratories, 1978 Availability: Items available for loan: (1). Lists: Hearing loss. Place hold Add to cart (remove)
	2.	No cover image available Acoustical considerations for classrooms for the deaf / L.C. Kenna by Kenna, L.C National Acoustic Laboratories (Australia) Series: N.A.L. report ; no.85 Publication details: Canberra : AGPS, 1981 Availability: Items available for loan: (1). Place hold Add to cart (remove)