00310nam a2200109Ia 4500008004100000040001100041100001800052245007200070260003500142300001300177300001000190251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aDaniel Billen 0aRadiation ResearchbOffical Organ of the Radiation Research Society  c1982bAcademic PressaNew York  aP. 1-651  bV. 92