Stress physiology and forest productivity : proceeding of the physiology working group technical session. Society of American Foresters National Convention, Fort Collins, Colorado, USA July 28-31-1985 - Hennessey, Thomas C., ed.; Dougherty, Phillip M., ed.; Johnson, Jon D., ed.; Kossuth, Susan V., ed. (Martinus Nijhoff Publishers Dordrecht, 1986)