00522nam a2200133Ia 4500008004100000082001800041100010100059245005300160260005300213300000800266650004100274650003400315700003900349170901s1974    xx            000 0 und d  a631.522bM52P  aMeeting on Mutation and Polyploidy on improvement of Mutation Breeding techniques, October, 1972 0aPolyploidy & Induced Mutation in Plant Breeding   aViennabInternational Atomic Energy Agencyc1974  a413  aAgriculture and related technologies  aTechnology (Applied sciences)  aInternational Atomic Energy Agency