Natural languages and context-free languages Geoffrey K. PullumGerald Gazdar OriginalPaper Pages: 471 - 504
A note on the use of lamda conversion in generalized phrase structure grammars Elisabet Engdahl OriginalPaper Pages: 505 - 515
Linguistic aspects, meaninglessness and paradox: A rejoinder to John David Stone Laurence Goldstein Remark and Reply Pages: 579 - 592