[1] Knuth, Donald E.: On the Translation of Languages from Left to Right. Information and Control 8 (1965), 607-639. MR 0189942

[2] Floyd R. W.: The Syntax of Programming Languages - A Survey. IEEE Transactions on Electronic Computers (Aug. 1964), 346-353. Zbl 0137.25002

[3] Brooker R. A.: Top-to Bottom Parsing Rehabilitated?. Comm. ACM 10 (April 1967), 2, 223-224. Zbl 0147.36102

[4] Kurki-Suonio R.: On Top-to-Bottom Recognition and Left Recursion. Comm. ACM 9 (July, 1966), 7, 527-528. Zbl 0138.10107