Howard, K. A., Card, C., Benner, J. S., Callahan, H. L., Maunus, R., Silber, K., . . . Brooks, J. E. (1986). Cloning the DdeI restriction-modification system using a two-step method.

Howard, K A., C. Card, J S. Benner, H L. Callahan, R. Maunus, K. Silber, G. Wilson, و J E. Brooks. Cloning the DdeI Restriction-modification System Using a Two-step Method. 1986.

Howard, K A., et al. Cloning the DdeI Restriction-modification System Using a Two-step Method. 1986.