﻿DECAYS AND DISCOLORATIONS IN AIRPLANE WOODS. 49 



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(73) Wilson, T. R. C. 



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(74) Zeller, Sanford M. 



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(75) 1920. Humidity in relation to moisture imbibition by wood and to 



spore germination on wood. In Ann. Mo. Bot. Gard., v. 7, 

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