TY - GEN AU - Postal,Paul Martin TI - Cross-over phenomena SN - 0308552307 AV - PE1112 PY - 1971///] CY - New York PB - Holt, Rinehart and Winston KW - English language KW - Grammar Generative N1 - "Appeared in July 1968 as a United States Air Force report, under contract no. AF 19(628)-5127, in Specification and utilization of a transformational grammar, Scientific report no. 3, IBM Thomas J. Watson Research Center."; Bibliography: p. 260-262 ER -