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Published Online: Aug 14, 2014
Page range: 136 - 140
Received: Jan 15, 1975
DOI: https://doi.org/10.2478/cttr-2013-0369
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Severson, R. F.
Tobacco Laboratory, Agricultural Research Service, United States Deparhnent of Agriculture
Chortyk, O. T.
Tobacco Laboratory, Agricultural Research Service, United States Deparhnent of Agriculture
Chamberlain, W, J.
Tobacco Laboratory, Agricultural Research Service, United States Deparhnent of Agriculture