TY  - BOOK
AU  - Sommers Fred
TI  - An invitation to formal reasoning :  the logic of terms
SN  - 0754613666 (hbk)
U1  - R1, P0 (SC) 
PY  - 2000///
CY  - Aldershot
PB  - Ashgate       
KW  - PHILOSOPHY
ER  -