003220000a22001330004500060000800000082001700008100001400025100002700039245003400066260002700100260001000127300000800137650004300145  a100  a581.4072 ROB  aGregory M  aRobson N K, Culter D F  aNew research in plant anatomy  aLondon, Academic press  c1970y  a250  aAnatomy-plants/ plant anatomy-research