Massimo Marino Antonella Spiezio Giacomo Ferrari Irina Prodanof An Efficient Context-Free Parser For Augmented Phrase-Structure Grammars. 196-202 1987 EACL http://acl.ldc.upenn.edu/E/E87/E87-1033.pdf db/conf/eacl/eacl1987.html#MarinoSFP87