TY  - BOOK
AU  - Spivey, J. M.
TI  - Understanding Z : a specification language and its formal semantics
SN  - 0521334292
U1  - 001.6424 
PY  - 1988///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Z (Computer Program Language)
KW  - Programming Language (Electronic Computers) -- Semantics
ER  -