003370000a22001450004500020001500000060000800015082001800023100001900041100001700060245003300077260002800110260000900138300000800147650003600155  a0126686629  a100  a581.192 7 STE  aKrikorian, A D  aSteward, F C  aPlants, chemicals and growth  aNewyork, Academic press  c1971  a232  aPlants chemicals / plant growth