Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Malcolm A. Clark,An Acoustic Lens as a Directional Microphone,The Journal of the Acoustical Society of America,0001-4966,Acoustical Society of America (ASA),1953-07-01,25,4_Supplement,829-829,https://cir.nii.ac.jp/crid/1360294646635248640,https://doi.org/10.1121/1.1917706