Ehrlich, J. 1932 The occurrence in the United States of Cryptococcus fagi (Baer.). Dougl., the insect factor in a menacing disease of beech.. Journal of the Arnold Arboretum 13: 75-80.
Ehrlich, J. 1932 The occurrence in the United States of Cryptococcus fagi (Baer.). Dougl., the insect factor in a menacing disease of beech.. Journal of the Arnold Arboretum 13: 75-80.