00310nam a2200109Ia 4500008004100000040001100041100001900052245005500071260005000126300001300176300001100189251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJohn D. Abbatt 0aProtection Against RadiationbA Practical Handbook  cJuly 15, 1997bCassell & Company, LtdaLondon  aP. 1-240  bV. 117