Birch (Betula) disorder :
birch leaf miner /
Phil Pellitteri and C. F. Koval.
APA Citation
Pellitteri, P. J., Koval, C. F. (Charles F.). (1979). Birch (Betula) disorder: birch leaf miner. [Madison, Wis.]: University of Wisconsin--Extension.
MLA Citation
Pellitteri, Phillip J, and C. F. (Charles F.) Koval. Birch (Betula) Disorder: Birch Leaf Miner. [Madison, Wis.]: University of Wisconsin--Extension, 1979.
Warning: These citations may not always be complete (especially for serials).