TY  - DATA
AU  - Lars-Henrik Eriksson, Lars Hallnäs, Peter Schroeder-Heister
TI  - Extensions of Logic Programming
SN  - 9783540471141
PY  - 1992///
PB  - Springer Berlin Heidelberg
KW  - Computer Science
UR  - https://doi.org/10.1007/BFb0013601
ER  -