^Li Z, Srivastava P. Heat-shock proteins. Current protocols in immunology / edited by John E. Coligan ... [et al.] February 2004,. Appendix 1: Appendix 1T. PMID 18432918. doi:10.1002/0471142735.ima01ts58.
^Raboy B, Sharon G, Parag HA, Shochat Y, Kulka RG. Effect of stress on protein degradation: role of the ubiquitin system. Acta biologica Hungarica. 1991, 42 (1-3): 3–20. PMID 1668897.