TY - JOUR AU - Carter, Harold O. AU - Johnston, Warren E. AU - Nuckton, Carole Frank TI - Some forces affecting our changing American agriculture JF - California Agriculture JO - Calif Agr Y1 - 1979/01/01 VL - 33 IS - 1 SP - 9 EP - 10 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v033n01p9 AB -