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GRAPH GRAMMARS AND APPLICATIONS TO SPECIALIZATION AND EVOLUTION IN BIOLOGY.EHRIG H; TISCHER KW.1975; J. COMPUTER SYST. SCI.; U.S.A.; DA. 1975; VOL. 11; NO 2; PP. 212-236; BIBL. 10 REF.Article

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ON THE CHARACTERIZATION OF CERTAIN CLASSES OF DEVELOPMENTAL LANGUAGES BY AUTOMATA.VON SOLMS SH.1975; INTERNATION. J. COMPUTER MATH.; U.S.A.; DA. 1975; VOL. 5; NO 2; PP. 125-132; BIBL. 7 REF.Article

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ON COMPLEMENTS OF UNARY L LANGUAGES.KLOVE T.1978; J. COMPUTER SYST. SCI.; U.S.A.; DA. 1978; VOL. 16; NO 1; PP. 56-66; BIBL. 6 REF.Article

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