TY - JOUR AU - Billikopf, Gregory Encina TI - Response to incentive pay among vineyard workers JF - California Agriculture JO - Calif Agr Y1 - 1985/07/01 VL - 39 IS - 7 SP - 13 EP - 14 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v039n07p13 AB -