Titlebook: Kekulé Structures in Benzenoid Hydrocarbons; S. J. Cyvin,I. Gutman Book 1988 Springer-Verlag Berlin Heidelberg 1988 Combinatorics.algorith

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Classes of Basic Benzenoids (II): Multiple Zigzag Chain,A zigzag chain may be single or multiple. Such a system (a triple chain) is depicted in Fig. 1, where two different notations are explained, viz. A and Z. It is useful to have access to both of these definitions.

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Pericondensed All-Benzenoids and Related Systems,For a definition of all-benzenoids it is referred to Paragraph 2.2.8. Catacondensed all-benzenoids are treated in Section 6.5. Two classes of (generally pericondensed) all-benzenoids are found in CHART 12-VIII.

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S. J. Cyvin,I. Gutmanngoing battle in Palestine. Also, journalistic comments, cultural analyses, and historical works on these earlier developments have not only been reprinted and reread with renewed and heightened interest, but appeared to be confirmed as quasi-prophetic statements through the events of 9/11 and its a

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S. J. Cyvin,I. Gutmanve conveys a certain sense of pessimism and fatalism in the face of the reversibility of beliefs: bigotry can be an acquired and cultivated taste rather than the result of indoctrination at an early age, and “reform” is an unstable, reversible process. The narrative gives a great deal of importance

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