TY  - BOOK
AU  - Rescher,Nicholas
AU  - Manor,Ruth
TI  - Studies in modality
SN  - 063111520X (pbk) :
U1  - 160 
PY  - 1974///
CY  - Oxford
PB  - Basil Blackwell
KW  - Modality (Logic)
N1  - Includes index
ER  -