Grapevine yellows research in Virginia. Wines and Vines, Oct. 28-35. Wolf, T. K. 1987. Curtail shading with canopy management. Wolf, T. K. 1989.
Thermal analysis offers a quick, reliable measure of grapevine bud cold hardiness.
Practical Winery and Vineyard Management. Wolf, T. K. 1990. Economic considerations of canopy division. Vineyard and Winery Management. Wolf, T. K. 1990.