@article{68406, author = {Robert Berg and S Tison}, title = {Laminar Flow of Four Gases Through a Helical Rectangular Duct}, year = {2001}, number = {47}, month = {2001-02-01}, publisher = {Aiche Journal}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=831586}, language = {en}, }