著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Wedenberg, Erik and Bjuggren, Gunnar and Barr, Bengt",Auditory training of severely hard of hearing pre-school children : results from a Swedish series comprising 36 children . A method to test the intelligibility of the speech of pre-school children with severe hearing impairment : a preliminary report . Pure tone audiometry for pre-school children : a preliminary report,,V. Petterson,1954,Acta oto-laryngologica,,,,https://cir.nii.ac.jp/crid/1130282273215075840