00261nam a2200109Ia 4500008004100000040001100041100001900052245002300071260003500094300001200129300001000141251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aTitus C. Evans 0aRadiation Research  c1991bAcademic PressaNew York  aP.1-390  bV.126