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n <br />u <br />DATA BASE INFORMATION <br />COMPREHENSIVE DISSERTATIONS b ABSTRACTS: <br />n ex from erox Un versrty cro films. Contains over 500,000 doctoral <br />dissertations (practically every dissertation published), starting in <br />1961 and extending through papers accepted as recently as last month. <br />The database is updated monthly and is growing at a rate of 40,000 re- <br />cords per year. <br />sent. Includes over 1,300,000 records as of June 1979. File is updated <br />monthly with about 7.000 records per month. <br />COMPENDEX: <br />Ong Bering Index. abstracted information from the world's significant <br />engineering and technological literature. Coverage of fournal literature, <br />proceedings, selected government reports and books from 1970 to the pre- <br />ENVIROLINE: <br />produced by Environment Information Center, contains 60.000+ citations <br />covering key environmental literature including reviews of environmental <br />books and films and extracts from the daily FEDERAL REGISTER. File covers <br />1971 to present, with abstracts since 1975. Monthly updates of about <br />1,000 records. <br />ENERGYLINE: <br />-~.o e a full range of scientific, technical, socio-economic. governmental <br />policy and planning and current affairs Information. It includes congres- <br />sional committee prints, conference proceedings, speeches. books and sLAt- <br />lstics. The file size is 23,312 records as of February 1979 and covers <br />1971 to the present with monthly updates of approximately 800 records. <br />GEOARCHIYE: <br />~ro~uced by Geosystems of London, England. It includes material from <br />all literature in the public domain that deals with the geosciences in- <br />cluding economic geology. petrology. mineral exploration, oceanology, geo- <br />chemistry and others. File size is 229,274 records as of December 1978 <br />and covers 1974 to the present with monthly updates of approximately 5,000 <br />records. <br />6EOREF: <br />-provides worldwide coverage of the earth and planetary sciences. Its <br />coverage has been expanded back to 1961. The file is updated monthly. <br />NTIS: <br />The complete Government Reports/Announcements file from the National Tech- <br />nical Information Service. Over 400,000 abstracts of research reports from <br />over 240 government agencies. including NASA, Department of Energy, HEN, <br />etc. File dates from 1964 and is updated biweekly and is growing at a <br />rate of 60,000 abstracts per year. <br />• TULSA: <br />provides worldwide coverage of literature and patents related to the <br />exploration, development and production of oil and natural gas. File <br />covers 1965 to present and is updated quarterly. <br />A-1 <br />