Journal of ChemicdDocurnentation TABLE OF CONTENTS Volume 8, August 1968 Copyright, 1968, by the American Chemical Society. Published and issued quarterly in February, May, August. and November by the American Chemical Society at 20th and Northampton Sts., Easton, Pa. 18042. Second-class postage paid at Easton, Pa. Manuscripts for publication should be addressed to Herman Skolnik. Editor. Technical Information Division. Research Center. Hercules Incorporated, Wilmington, Delaware 19809. Correspondence regarding accepted papers, proofs. and reprints should be directed to American Chemical Society, 1155 Sixteenth St., N. W., Washington, D. C. 20036. Manager, Manuscript Editing, Ruth Reynard. Advertising Office: Reinholcl Publishing Corporation, 430 Park Avenue, Yew York, N. Y. 10022. The American Chemical Society and the Editor of the Journal of Chamical Documentation assume no responsibility for the statements and opinions advanced by contributors. Business and Subscription Information Correspondence concerning business matters should be sent to the Subscription Service Department, American Chemical Society, 1155 Sixteenth St., N. W., Washington, D. C. 20036. Claims for missing numbers will not be allowed (1) if received more than sixty days from date of issue plus time normally required for postal delivery of journal and claim: (2) if loss was due to failure to notify the Subscription Service Department of a change of address: or (3) if the reason for the claim is that copy is "missing from files." Change of address: Notify Subscription Service Department, American Chemical Society, 1155 Sixteenth St., N.W., Washingtsm, D. C. 20036. Such notification should include both old and new address and postal ZIP numbers, if any. Please send an old address lable, if possible. Allow four weeks for change. New subscriptions and renewals are entered to begin with the first issue of the current volume. Should issues of the current volume be out of print at the time the subscription order is received, the pro rata value of such number will be refunded to the subscriber. Subscriptions should be renewed promptly, to avoid a break in your series. Orders should be sent to the Subscription Service Department, American Chemical Society, 1155 Sixteenth St., N. W., Washington. I). C. 20036. Subscription rates for 1968: Si.00 per volume to members of the ACS. to nonmembers. 514.00 per volume. Add 81.00 per subscription to Canada, and countries belonging to the Pan American Union. and $1.50 for ail other countries. Single copies for current year 35.00. Postage, single copies: to Canada and countries in the Pan American Union. $0.15: all other countries, $0.20. Rates for back issues are available from the Special Issues Sales Department, American Chemical Society, 1155 Sixteenth St., N . W., Washington, D. C. 20036.
126
Editorial
127
Symposium on Notation Systems: Introduction
Charles E . Granito and Alan Gelberg 128
A C o m p u t e r P r o g r a m t o Index or Search Linear Notations
Kurt D. Ofer 130
Conversion of Connection T a b l e Descriptions of Chemical C o m p o u n d s into a F o r m of Wiswesser Notation
Michael F . Lynch 133
A Chemically Oriented Information Storage a n d Retrieval System. 11. C o m p u t e r Generation of the Wiswesser Notations of Complex Polycyclic Structures
Carlos M . Bowman, Franc A . Landee, Nuncy W . Lee, and Mary H . Reslock 138
S t r u c t u r e Display
Ernest Hyde and Lucille Thomson 146
107 Years of Line-Formula S o t a t i o n s (1861-1968)
William J . Wisuesser 150
Use of t h e I U P A C N o t a t i o n in C o m p u t e r Processing of Information on Chemical Structures
H . F . Dammers and D. J . Polton 161
A Notation-Based F r a g m e n t Code for Chemical P a t e n t s
John A . Silk
166
Substructure Search in t h e M C C S y s t e m
Duuid Lefhouitz 173
A Line-Formula N o t a t i o n S y s t e m for M a r k u s h Structures
Helen M . S . Sneed, James H . Turnipseed, and Robert A . Turpin, Jr. 179
An Indexing S y s t e m a n d Code for Polymers
Panos Kokoropoulos and Sebastian V . Kanakkanatt 187
Division of Chemical Literature P r o g r a m
188
Correction