@book{ Solr-62756, title = {Ultrasonic materials characterization : international symposium. 0001 : Gaithersburg, MD, 07.06.78-09.06.78}, series = {National Bureau of Standards special publication ;}, author = {Berger, Hans}, editor = {Berger, Hans}, address = {Washington, DC}, publisher = {GPO}, year = {1980}, note = {englisch}, }