299,352 RADIATION Radiation exposure and occupational risks / contributors G. Keller [et al.] : ed. by Eberhard Scherer, Christian Streffer and Klaus-Rudiger Trott : forevi. by Luther W. Brady [et al.]. - Berlin [etc.] : Sprin- Verl., [1990]. - [12], 150 s. : il., wykr. ; 28 cm (Medical Radiology : Diagnostic Imaging and Radiatio; Oncology) ISBN 3-540-51174-1