@Incollection{Schlick_1994_7360,
  author = {Schlick, C.},
 address = {Boston},
 booktitle = {Graphics Gems IV},
 editor = {Heckbert, P. S.},
 pages = {422-430},
 publisher = {Academic Press Professional},
 title = {A fast alternative to phong's specular model},
 year = {1994},
 title_with_no_special_chars = {A Fast Alternative to Phongs Specular Model}
}