TY - GEN AU - Blasius, Karl Hans, ed. TI - Deduction systems in artificial intelligence SN - 0-7458-0409-8 PY - 1989/// CY - Chichester PB - Ellis Horwood KW - DATABASE SYSTEMS KW - ARTIFICIAL INTELLIGENCE KW - COMPUTER PROGRAMMING-LOGIC PROGRAMMING KW - SYSTEMS SCIENCE AND CYBERNETICS-ARTIFICIAL INTELLIGENCE ER -