1974 Effect of Ethrel on Drying Time and Kernel Moisture Content of Payne Walnut Sibbett, G.S., G.C. Martin, C. Nishijima, D. Ramos. 1974.
1979 Chemical Constituents of Walnut Hulls and Kernels Zelleke, Asfaw, John M. Labavitch, George C. Martin, Chic Nishijima. 1979.
1980 Developmental changes in Some Constituents of Walnut Fruits Zelleke, Asfaw, John M. Labavitch, George C. Martin, Chic Nishijima, Carl Greve. 1980.