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934 A · ANALYTICAL CHEMISTRY, VOL. 49, NO. 11, SEPTEMBER 1977
rier transform applications, window functions, and phase correction meth ods. Chapter 15 is an excellent intro duction to the principles of signal av eraging with good illustrations. Chap ter 16 on data displays is tied too closely to the LPS-11 hardware to be of general use. Chapter 17 on peak de tection provides good insight to the problems and approaches for pro grammatic peak detection. Chapters 18 and 19 on the Fourier transform and various applications to NMR and IR data are the best of all. T h e au thor's considerable familiarity with this area lends authority and useful ness to these presentations. There are several problems with this text. First and foremost is the fact that most of the material is useful only to a user of the DEC PDP-11. Because of the complexity of the PDP-11 in struction set and because of the atten tion to operational details, a reader with general interests would find only about five of the 19 chapters useful. It is disappointing that there is no general description of interfacing principles and hardware; Chapter 14 approaches this topic, but succeeds only in describing the functions of the LPS-11 data system. Finally, although the last two chapters, regarding Fouri er transform applications, might be very useful to many readers, the book would be much more valuable if this level of presentation were extended to additional topics of interest, such as the application of smoothing algo rithms, curve-fitting, peak deconvolution, and file searching. Despite the problems mentioned above, the text does accomplish very well the major part of the author's goals—to provide a complete and use ful guide to the implementation of a particular laboratory computer sys tem. The many exercises and program illustrations are most useful for the novice programmer. It should be high ly recommended to the many users of PDP-11 minicomputers.
New Books Analytical Pyrolysis. C. E. Roland and Carl A. Cramers, Eds. ix + 424 pages. Elsevier Scientific Publishing Co., P.O. Box 2 1 1 , Amsterdam, The Netherlands; 52 Vanderbilt Ave., New York, N.Y. 10017. 1977. $39.25
The proceedings of the Third Inter national Symposium on Analytical Pyrolysis, held in Amsterdam, Sep tember 7-9, 1976, are presented. A total of 50 papers contributed by au thors from the international commu-
