00261nam a2200097Ia 4500008004100000082001500041100003000056245003600086260003300122300000800155140113s9999    xx            000 0 und d  a576.8   L6  a"Peberdy, J.F.  Et al..."  aMicrobial and Plant protoplasts  a1976bAcademic PresscLondon  a370