Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	C. W. Gear, High speed compilation of efficient object code, Communications of the ACM, v.8 n.8, p.483-488, Aug. 1965  [doi>10.1145/365474.365489]
	2	M. Douglas McIlroy, Macro instruction extensions of compiler languages, Communications of the ACM, v.3 n.4, p.214-220, April 1960  [doi>10.1145/367177.367223]
	3	J. Nievergelt, On the automatic simplification of computer programs, Communications of the ACM, v.8 n.6, p.366-370, June 1965  [doi>10.1145/364955.364963]
	4	J. Weizenbaum, Symmetric list processor, Communications of the ACM, v.6 n.9, p.524-536, Sept. 1963  [doi>10.1145/367593.367617]