%0 Journal Article %T Definite clause grammars for language analysis—A survey of the formalism and a comparison with augmented transition networks %A Pereira, Fernando C.N. %A Warren, David H.D. %A , %J Artificial Intelligence %V 13 %N 3 %P 231-278 %@ 0004-3702 %D 1980-05-01 %I Elsevier BV %~ DeepDyve