E. Quisumbing

发表

R. E. Nylund, D. Sanders, K. Shetty, 1972, American Potato Journal.

R. E. Nylund, D. Sanders, E. Quisumbing, 1972, American Potato Journal.

R. E. Nylund, D. Sanders, E. Quisumbing, 1971, American Potato Journal.