1974 | ||
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2 | Paul D. Bacsich, Dafydd Rowlands Hughes: Syntactic Characterisations of Amalgamation, Convexity and Related Properties. J. Symb. Log. 39(3): 433-451 (1974) | |
1973 | ||
1 | Paul D. Bacsich: Defining Algebraic Elements. J. Symb. Log. 38(1): 93-101 (1973) |
1 | Dafydd Rowlands Hughes | [2] |