Conservation of crop germplasm an international perspective Washington, D., Brown, W. L., Chang, T. T., Goodman, M. M., Jones, Q., Kral, D. M., & Mickelson, S. H. (1984). Proceedings of a symposium. Wisconsin, Estados Unidos: Crop Science Society of America.

Conservation of crop germplasm an international perspective Washington, DC, W. L. Brown, T. T. Chang, M. M. Goodman, Q. Jones, David M. Kral, and Sherri H. Mickelson. Proceedings of a Symposium. Wisconsin, Estados Unidos: Crop Science Society of America, 1984.

Conservation of crop germplasm an international perspective Washington, DC, et al. Proceedings of a Symposium. Wisconsin, Estados Unidos: Crop Science Society of America, 1984.