An assesment of the acoustic insulation properties of the Lee Sonic Ear-Valv
By: by Keith K. Neely.
Contributors: Neely, Keith K.
Publisher: Department of National Defence
Published: 1952
Place of publication: Toronto
Language: eng
Notes: DRML Project no. 100-43-72 DRML Report No. 100-1 P.C.C. No. 050-82-30-04.