Rudolf F. Graf Professional Technical Writer , "Modern Dictionary of Electronics, 7 Ed"
Newnes; 7 ed | 1999 | ISBN: 0750698667 | 869 pages | PDF | 28,8 MB
Michael R. Peres, "Focal Encyclopedia of Photography, 4 Ed: Digital Imaging, Theory and Applications, History, and Science"
Focal Press; 4 ed | 2007 | ISBN: 0240807405 | 880 pages | PDF | 41,3 MB