Zhen, M., Heinlein, R., Jones, D., Jentsch, S., & Candido, E. P. (1993). The ubc-2 gene of Caenorhabditis elegans encodes a ubiquitin-conjugating enzyme involved in selective protein degradation.

Zhen, M., R. Heinlein, D. Jones, S. Jentsch, ja E P. Candido. The Ubc-2 Gene of Caenorhabditis Elegans Encodes a Ubiquitin-conjugating Enzyme Involved in Selective Protein Degradation. 1993.

Zhen, M., et al. The Ubc-2 Gene of Caenorhabditis Elegans Encodes a Ubiquitin-conjugating Enzyme Involved in Selective Protein Degradation. 1993.