Paper  bibtex   

@book{acm_press_staff_siggraph_1999,
	address = {Boston},
	title = {{SIGGRAPH} 1999 {Conference} {Proceedings} {Computer} {Graphics} {Annual} {Conference} {Series}},
	isbn = {978-0-201-48560-8 0-201-48560-5},
	url = {http://encompass.library.cornell.edu/cgi-bin/checkIP.cgi?access=gateway_standard%26url=http://dl.acm.org/citation.cfm?id=311535},
	language = {English},
	urldate = {2014-01-14},
	publisher = {Addison Wesley Professional},
	author = {{ACM Press Staff}},
	year = {1999}
}