TY - JOUR AU - Dickinson, Fred TI - Forest products laboratory JF - California Agriculture JO - Calif Agr Y1 - 1979/05/01 VL - 33 IS - 5 SP - 31 EP - 31 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v033n05p31 AB -