00315nam a2200109Ia 4500008004100000040001100041100001800052245007300070260003500143300001700178300001000195251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aDaniel Billen 0aRadiation ResearchbOfficial Organ of the Radiation Research Society  c1983bPergamon PressaNew York  aP. 6241-6956  bV. 24