1. Blobel, G., Walter, P., Chang, C. N., Goldman, B., Erickson, A. H. & Lingappa, V. R., 1979. In: Symp. Soc. Exp. Biol. (Hopkins, C. R. & Duncan, C. J., eds.) Vol. 33, Cambridge University Press, London, pp. 9?36.
2. Case, R. M., 1978. Biol. Rev. 53: 211?354.
3. Wickner, W., 1979. Annu. Rev. Biochem. 48: 23?45.
4. Wickner, W., 1980. Science 210: 861?867.
5. Meyer, D. I. & Dobberstein, B., 1980. J. Cell Biol. 87: 498?502.