TY  - BOOK
AU  - Clifford,John Edward
TI  - Tense and tense logic
SN  - 9027934533 :
U1  - 415 
PY  - 1975///
CY  - The Hague
PB  - Mouton
KW  - Grammar, Comparative and general
KW  - Tense
N1  - Includes index; Bibliography: p. 168-169
ER  -