TY  - BOOK
AU  - Lightstone,A.H.
AU  - Enderton,Herbert B.
TI  - Mathematical logic: an introduction to model theory 
T2  - Mathematical concepts and methods in science and engineering
SN  - 0306308940
AV  - QA9 L52
PY  - 1978///
CY  - New York
PB  - Plenum
KW  - Teoría de modelos
KW  - Lógica simbólica y matemática
ER  -