00478nam a22001577a 4500008004100000040005500041080001400096100001500110245002800125260004300153300001600196490002900212650002100241653003900262653001900301230530b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a581.1bJ9  aAudus, L J  aPlant growth substances  aLondon: bLeonard Hill Limited, c1959  axxii, 553p.  aPlant science monographs  aPlant regulators  aPlant growth inhibiting substances  aGrowth factors