TY  - BOOK
AU  - Blackburn Patrick
AU  - Van Benthem Johan
AU  - Wolter Frank
TI  - Handbook of modal logic
SN  - 978-0-444-51690-9
U1  - 511.3 
PY  - 2007///
CY  - Amsterdam
PB  - Elsevier
KW  - Handbooks
KW  - Mathematical logic
KW  - Modality(Logic)
ER  -