00322nam a2200097Ia 4500008004100000082002400041100003600065245006600101260004900167300000800216140113s9999    xx            000 0 und d  a631.528.6(047)   N1  aInstitute of Radiation Breeding  aGamma Field Symposia No.30 :Biotechnology & Mutation breeding  a1991bInstitute of Radiation BreedingcJapan  a172