WHITE D.N. /red./ 523,724 Proceedings of the Second World Congress on Ultrasonics Medicine.Rotterdam, 4-8 June 1973. Ed.: M. de Vlieger, D. H. Whit V. R. McCready. Amsterdam 1974 Excerpta Medica; Hew York, American Elsevier Publishing Company,Inc. 8° s. nlb. 8, 386, tabl. 2 , ilustr. Excerpta Medica, International Congress Series no. 309