MONO91 NIST Monograph 91: Automatic Indexing: A State-of-the-Art Report Appendix C: Selective Bibliography of Additional References appendix Mary Elizabeth Stevens National Bureau of Standards Pendergraft, E. and N. Dale, Automatic Linguistic Classification, 46 p. (Linguistic Research Center, Univ. of Texas, Austin, Nov. 1965). Perschke, S., Automatic Language Translation, Its possibilities and Limitations, Euratom Bulletin, No. 2, 1967, 8 p. Perschke, S. , Machine Translation - -- The Second Phase of Development, Endeavour 27, No. 101, 97-100 (May 1968). Perschke, 5., The Use of Machine Translation in Documentation [Man[OCRerr]:script for 5th EURATOM[OCRerr]sponsored meeting of librarians working in the nuclear field, April 24-25, 1968; will be published as EURATOM report], 13 p. Perschke, 5., The Use of the 15LC1 System in Automatic Indexing, in Mechanized In- formation Storage, Retrieval and Dissemination, Proc. F. I. D. 11. F. I. P. Joint Conf., Rome, Italy, June 14-17, 1967, Ed. K. Samuelson, [OCRerr] 300-311 (North[OCRerr]Holland Pub. Co., Amsterdam, 1968). Peters, S., Evaluation of Retrieval Systems, Appendix III of Centralization and Doc- umentation, Final Report to the National Science Foundation, pp. 71-109 (Arthur D. Little, Inc., Cambridge, Mass., July 1963). Petrarca, A. E. and W. M. Lay, The Double -KWIC Coordinate Index. A New Approach for Preparation of High-Quality Printed Indexes by Automatic Indexing Techniques, presented in part before the Division of Chemical Literature, 157th Meeting, ACS, Minneapolis, Minn., April 1969, 29 p. (Dept. of Computer and Information Science, The Ohio State Univ., Columbus, 1969). Petrarca, A. E. and W. M. Lay, The Double KWIC Coordinate Index. II. Use of an Automatically Generated Authority List to Eliminate Scattering Caused by Some Singular and Plural Main Index Terms, Tech. Rept. 69-9, 13 p. (Computer and Information Science Research Center, The Ohio State Univ., Columbus, Aug. 1969). Petrick, S. R., A LISP Program for the Parsing of Seni nces with Respect to a Trans- formational Grammar, in Information Processing 1965, Proc. IFIP Congress 65, Vol. 2, Ed. W.A. Kalenich, pp. 528-529 (Spartan Books, Washington, D.C., 1966). Phillips, A. V., A Question-Answering Routine, Master's Thesis, RLE and MIT Computa- tion Center Memo 16, 20 p. (M.I.T., Cambridge, Mass., May 21, 1960). Picot, G., M. L. Deribere[OCRerr]Desgardes and F. Levery, Experiment in the Automatic Selec- tion of Documentation, [Partial trans. (p. 8-11) of Revue de la Documentation 29, No. 1, 8-13 (1962)], 1962, 10 p. Post, P. B., A Lifelike Model for Associative Relevance, Proc. Int. Joint Conf. on Artificial Intelligence, Washington, D.C., May 7-9, 1969, Ed. D.E. Walker and L.M. Norton, pp. 271-280 (Int. Joint Conf. on Artificial Intelligence, 1969). Potocko, R. J., An Indexed System of Terms with Related and Associated Words, Am. Doc. 19, No. 2, 146-150 (April 1968). Preparata, F. P. and R. T. Chien, On Clustering Techniques of Citation Graphs, Rept. No. R-349 (Coordinated Science Lab., Univ. of illinois, Urbana, May 1967). 274