1. Wallach, D.F.H.: Membrane Molecular Biology of Neoplastic Cells. Amsterdam-Oxford-New York: Elsevier 1975
2. Weiss, L.: The Cell Periphery, Metastasis and other Contact Phenomena. Amsterdam: North-Holland 1967
3. Weinstein, R., Zel, G., Merk, F.B., in: Schultz, J., Block, R.E. (eds.): Membrane Transformation in Neoplasia, p. 127. New York-London: Academic Press 1974
4. Benedetti, E.L., Emmelot, P.: J. Cell Sci. 2, 499 (1967)
5. McNutt, N.S., Hershberg, R.A.: Science 165, 597 (1969)