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Boyce Thompson Inst. 9: 463-518. 1938- 

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Bot. Gaz. 99: 671-728. 1938- 

 Skoog, F. A deseeded Avena test method for small amounts of auxin and 



auxin precursors. Jour. Gen. Physiol. 20: 31 1-334- 1937- 

 Soding, H. Zur kcnntnis der Wuchshormone in der Haferkoleoptile. Jahrb. 



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Thimann, K. V. Studies on the growth hormone of plants. VL The distri- 

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 Thimann, K. V. On the nature of inhibitions caused by auxin. Amer. Jour. 



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Thimann, K. V., and J. Bonner. The mechanism of the action of the growth 



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Proc. Kon. Acad. Wetensch. (Amsterdam) 37: 445-455- I934- 

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1935- . r ■ 1 J 



Went, F. W. Specific factors other than auxin affecting groiuth and root 



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 Went, F. W., J. Bonner, and G. C. Warner. Aneurin and the rooting of 



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