00758nam0-22002891i-450-990001073110403321000107311FED01000107311(Aleph)000107311FED0100010731120000920d1960----km-y0itay50------baengImperfections in Crystalsby H.G. van BuerenAmsterdamNorth-Holland1960SuperficiDifetti530.41Bueren,H.G., Van2047ITUNINARICAUNIMARCBK99000107311040332132B-0161784FI132B-016.00114795FI1FI1Imperfections in crystals107187UNINAING01