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1969a. The effect of reduced extractive content on the burning rate of aspen 

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1969b. Seasonal changes in heat content and ether extractive content of chamise. 

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Richards, L. W. 



1940. Effect of certain chemical attributes of vegetation on forest f lamraability . 

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Snedecor, George W. 



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USDA Forest Service 



1964. National fire-danger rating handbook. USDA Forest Serv., Category 2 

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Van Wagner, C. E. 



1967. Seasonal variation in moisture content of eastern Canadian tree foliage and 

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