Stefan Brass Udo W. Lipeck 88-103 EDBT92/P088.pdf conf/edbt/92 1992 EDBT db/conf/edbt/edbt92.html#BrassL92 http://dx.doi.org/10.1007/BFb0032425 conf/pods/BidoitH86 conf/mfdbs/BrassL89 conf/dood/BrassL91 conf/sigmod/BancilhonR86 conf/icdt/Brass90 journals/dke/Bry90 journals/ai/BossuS85 ... journals/ai/Ginsberg89 journals/ai/GelfondP86 ... books/sp/Lloyd87 journals/ai/McCarthy80 journals/ai/McCarthy86 conf/cade/Minker82 journals/jlp/MinkerP85 books/mk/minker88/Przymusinski88 journals/ai/Przymusinski89 conf/adbt/Reiter77 journals/jar/RajasekarLM89 journals/jar/RossT88 conf/lics/Ryan91 journals/is/SchekS86 books/cs/Ullman89 journals/jar/YahyaH85