00403nam a2200145Ia 4500008004100000082001400041100003100055245002500086260004700111300000800158650001800166650001800184653002500202653003000227170901s1940    xx            000 0 und d  a578bJ47P  aJohansen, Donald Alexander 0aPlant Microtechnique  aNew YorkbMcGraw-Hill Book Co., Inc.c1940  a523  aLife sciences  aPure Sciences  aBotanical microscopy  aBotanical microtechniques