LITERATURE CITED 



Ferguson, R. B. , and J. V. Basile 



1966. Topping stimulates bitterbrush twig growth. J. Wildlife Manage. 30(4): 

 839-841. 



Dixon, W. J., and F. J. Massey, Jr. 



1951. Introduction to statistical analysis. New York: McGraw-Hill Book Co., Inc. 



Steel, G. C., and J. H. Torrie 



1960. Principles and procedures of statistics. New York: McGraw-Hill Book Co., Inc. 



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