TY  - BOOK
AU  - Hee,Kees Max van
TI  - Information systems engineering: a formal approach 
SN  - 9780521110648 (pbk)
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Systems engineering
KW  - Information technology
N1  - Includes bibliographical references and index
ER  -