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The relation of Valsa Kunzei to cankers on conifers

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By: Waterman, Alma M. (Alma May),‏ ‎

Publication info: New Haven, Conn. (335 Prospect St., New Haven, Conn.), Northeastern Forest Experiment Station, Forest Insect and Disease Laboratory, 1955

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Conifers Diseases and pests Valsa