T. Q. Khan, P. Bodrogi, Q. T. Vinh, H. Winkler - LED Lighting: Technology and Perception Published: 2015-02-09 | ISBN: 3527412123 | PDF | 520 pages | 9.85 MB
How the West Was Warmed: Responding to Climate Change in the Rockies By Beth Conover, Bill Ritter, John Hickenlooper 2009 | 320 Pages | ISBN: 193621802X | PDF | 3 MB