(1991). Meta-level control for deductive database systems / Helmut Schmidt.
Chicago-čujuhus (17. p.)Meta-level Control for Deductive Database Systems / Helmut Schmidt. 1991.
MLA-čujuhus (9. p.)Meta-level Control for Deductive Database Systems / Helmut Schmidt. 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.