Reconnoissance Soil Survey of the San Francisco Bay region,CaliforniaL C Holmes, J W Nelson, United States. Bureau of Soils1917
a Soil survey of the Ventura area, California. By J.W. Nelson, in charge, and Walter C. Dean ... ; U.S. Department of Agriculture, Bureau of Soils ... in cooperation with the University of California Agricultural Experiment Station.J. W. Nelson1920
Influence of Location and Cultivar on Color and Chemical Composition of Strawberry FruitJ. W. Nelson1972