\bib{1985/blakley}
\yr 1985
\isbn 3--540--15658--5
\mr 86j:94003
\editor G. R. Blakley
\editor David Chaum
\book Advances in cryptology: CRYPTO '84
\series Lecture Notes in Computer Science
\seriesvol 196
\publ Springer-Verlag
\publaddr Berlin
\endref
