TY - JOUR AU - Mamer, John W. AU - Martin, Philip L. TI - Labor trends affecting agriculture JF - California Agriculture JO - Calif Agr Y1 - 1985/01/01 VL - 39 IS - 1 SP - 12 EP - 14 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v039n01p12 AB -