See also:
Butterworth-Heinemann Engineering Butterworth-Heinemann produces internationally-recognized professional books and reference texts in all branches of engineering for practitioners and students http://www.bh.com/engineering
Diagram Schematic diagrams from a wide variety of countries. http://www.diagram.com.ua/
EMAS Engineering and materials books. http://www.emas.co.uk/
Gulf Professional Publishing Leading international publisher of books, CD-ROMS, and online services for petroleum, chemical, and process engineering professionals and students http://books.elsevier.com/gulf/
Macatea Productions Technical books, especially engineering texts. Site also contains technical articles. http://www.macatea.com/
Schematic Diagrams Database of schematic diagrams and service manuals from every country. http://www.schematic.com.ua
Steward and Sons Offers DSP books (FIR, IIR, recursive, nonrecursive, adaptive, estimation, detection), and Filter books (Butterworth, Bessel, nomographs, lowpass, highpass, bandpass, bandstop, allpass). http://www.steward-sons.com
Techstreet Engineering industry standards and technical books from many organizations. http://www.techstreet.com/
U-View Technical Publishers Television circuit diagrams, television servicing and video servicing books and cd roms. http://www.u-view-circuits.co.uk/