D. R. Fravel

Fravel, D. R., Benson, D. M., & Reinert, R. A. (1984). Response of shore juniper to ozone alone and in mixture with sulfur dioxide and nitrogen dioxide. HortScience, 19(5), 694.

FRAVEL, D. R., BENSON, D. M., & BRUCK, R. I. (1983). EDAPHIC PARAMETERS ASSOCIATED WITH SHORE JUNIPER DECLINE. PHYTOPATHOLOGY, 73(2), 204–207. https://doi.org/10.1094/Phyto-73-204