@book{3920, author = {Lenk, Ron, and Lenk, Carol.}, title = {Practical lighting design with LEDs}, publisher = {IEEE Press,}, year = {[2011], ©2011.}, series = {IEEE Press series on power engineering}, address = {Piscataway, NJ :}, url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio9165823.001} }