@article {38746,
	title = {Correlation of bitumen viscosity with temperature and pressure},
	volume = {71},
	year = {1993},
	pages = {447-450},
	publisher = {Canadian Journal of Chemical Engineering},
	url = {http://www3.interscience.wiley.com/cgi-bin/fulltext/122287459/PDFSTART},
	author = {Puttagunta, V. R. and Singh, B. and Miadonye, A.}
}
