1
Published: 1952
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, College of Agriculture 407
2
Published: 1960
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 487
3
Published: 1958
Superior document: Circular / California Agricultural Experiment Station ; California Agricultural Extension Service / University of California, Division of Agricultural Sciences 470