Hasselbach, Wilhelm Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
https://febs.onlinelibrary.wiley.com/doi/epdf/10.1016/0014-5793%2876%2980367-5 (Any fulltext)
https://doi.org/10.1016/0014-5793(76)80367-5 (Any fulltext)
Katz, A. M., Dunnett, J., Repke, D. I., & Hasselbach, W. (1976). Control of calcium permeability in the sarcoplasmic reticulum. FEBS Letters, 67(2), 207-208. doi:10.1016/0014-5793(76)80367-5.