TY - JOUR AU - Hess, Charles E. TI - Issues and options JF - California Agriculture JO - Calif Agr Y1 - 1984/10/01 VL - 38 IS - 10 SP - 47 EP - 47 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v038n10p47 AB -