Buker, Richard S., James P. Syvertsen, Jacqueline K. Burns, Fritz M. Roka, William M. Miller, Masoud Salyani, and Galen K. Brown. 2004. “Mechanical Harvesting and Tree Health: HS961/HS199, 7/2004”. EDIS 2004 (8). Gainesville, FL. https://doi.org/10.32473/edis-hs199-2004.