New Books
The Unspoiler.
of basic ideas about symmetry and val ence. This chapter consists of five sec tions, 69 pages total, of varying com plexity. The book concludes with a subject index.
^ ^ U. S. Government Publications
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Bureau of Mines Research on the Analysis of High-Purity Tungsten.
IC Bureau of Mines information circufar S397. 10 pages. Copies free from Chief, Div. of Publications Dis tributions, U.S. Bureau of Mines, 4800 Forbes Ave., Pittsburgh, Pa. 15213
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70 A
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ANALYTICAL CHEMISTRY
The following publications can be or dered from the Superintendent of Doc uments, U. S. Government Printing Of fice, Washington, D. C. 20402; the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. 22151; or from local U.S. Dept. of Commerce Field Offices. Analytical Coordination Chemistry Section: Summary of Activities July 1967 to June 1968. Oscar Menis, Editor. Order NBS Techni cal Note 454. 80 pages. July 1968. 55 cents Microchemical Analysis Section: Summary of Activities July 1967 to June 1968. John K. Taylor, Editor. Order NBS Technical Note 455. 132 pages. Oct. 1968. $1.25 Electrochemical Analysis Section: Summary of Activities July 1967 to June 1968. Roger G. Bates, Editor. Order NBS Technical Note 4-53. 77 pages. July 1968. 55 cents Infrared Spectroscopy of Carbohy drates—A Review of the Literature.
R. Stuart Tipson. Order Monograph 110. 21 pages. 1968. 30 cents
NBS June
Standard X-Ray Diffraction Powder Patterns. H. E. Swanson, H. F. McMurdie, M. C. Morris, Ε. Η. Evans. NBS Monograph 25, Section 6. 97 pages. June 1968. 60 cents Microwave Spectral Tables—Spectral Line Listing. Marian S. Cord, Mat thew S. Lojko, Jean D. Petersen. NBS Monograph 70-Vol. V. 533 pages. June 1968. $4-75
