QUINLAN, R., Cohlberg, J., Schiller, D., Hatzfeld, M., & Franke, W. (1984). HETEROTYPIC TETRAMER (A2D2) COMPLEXES OF NON-EPIDERMAL KERATINSISOLATED FROM CYTOSKELETONS OF RAT HEPATOCYTES AND HEPATOMA-CELLS. Journal of Molecular Biology, 178(2), 365-388