Chemical Reviews

Second class postage paid at Washington, D. C., andat additional mail- ing offices. ... Correspondence concerning business matters should be sent to t...
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Chemical Reviews



Published bimonthly by the American Chemical Society at 20th and Northampton Streets, Easton, Pennsylvania

HAROLD HART, Editor Michigan State University, East Lansing, Michigan

48823

Editorial Advisory Board BRUCE H . MAHAN, University of California—Berkeley,

JOSEPH F. BUNNETT, University of California,

Berkeley, California HAROLD SHECHTER, Ohio State University, Columbus, Ohio THEODORE L. BROWN, University of Illinois, Urbana, Illinois A. I. SCOTT, Yale University, New Haven, Connecticut WILLIAM T. SIMPSON, University of Oregon, Eugene, Oregon

Santa Cruz, California ELLIS K. FIELDS, Amoco Chemicals Corporation, Whiting, Indiana PAUL V. R. SCHLEYER, Princeton University,

Princeton, New Jersey R. BRUCE K I N G , University of Georgia,

Athens, Georgia

CHARLES R. BERTSCH, Manager, Editorial Production American Chemical Society Office, 20th and Northampton

©Copyright 1971, by the American Chemical Society. Second class postage paid at Washington, D. C , and at additional mail­ ing offices. This publication is authorized to be mailed at the special rates of postage prescribed by Section 132.122. CHEMICAL REVIEWS is published by the American Chemical Society to provide authoritative critical reviews and comprehensive summaries of recent research in theoretical chemistry. The publication of reviews in various fields is scheduled about a year in advance. The Editor welcomes suggestions for timely reviews. All prospective authors should read Suggestions to Authors of Articles for Chemical Reviews in Chem. Rev., 71, 1 (1971), and follow the procedure for obtaining preliminary approval before preparing the manuscript. Uninvited manuscripts will be examined by the Editorial Board but are placed at the end of the prearranged schedule. Accepted articles for which immediate publication would seem important will be inserted in the next issue of the journal to go to press if the author is willing t o pay the manufacturing cost. The insertion of such articles will not affect the publication of other manuscripts awaiting their turn, since the inserted articles will constitute additional pages to the volume without additional cost to the subscriber. Alterations in an article after it has been set in type are made at the author's expense, and it is understood that by entering such alterations on proofs the author agrees to defray the cost thereof. CHEMICAL REVIEWS articles are listed in Chemical Abstracts. Manuscripts submitted for publication should be addressed to D R . HAROLD HART, Editor. Correspondence relating to editorial matters should be addressed to Editorial Production Office, American Chemical Society, 20th and Northampton Sts., Easton, Pa. 18042. Manager: CHARLES R. BERTSCH. Production Editor: EILEEN Β. SEGAL.

Sts., Easton, Pennsylvania

18042

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