00366nam a2200097Ia 4500008004100000082002400041100003600065245011000101260004900211300000800260140113s9999 xx 000 0 und d a631.528.6(047) N2 aInstitute of Radiation Breeding aGamma Field Symposia No.31 :utilisation of novel mutants for development of biological functions in crops a1992bInstitute of Radiation BreedingcJapan a129