Schulz, Georg E. Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
https://www.sciencedirect.com/science/article/pii/0022283680902909/pdf?md5=17f95b2a6ed32c65fdcaf2c29d4e497f&pid=1-s2.0-0022283680902909-main.pdf (Any fulltext)
https://doi.org/10.1016/0022-2836(80)90290-9 (Any fulltext)
Schulz, G. E. (1980). Gene duplication in glutathione reductase. Journal of Molecular Biology (London), 138(2), 335-347. doi:10.1016/0022-2836(80)90290-9.