Patir, Nadir; Cheng, H. S. (1978). "An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication". Journal of Lubrication Technology. 100 (1): 12. doi:10.1115/1.3453103. ISSN0022-2305.
Patir, Nadir; Cheng, H. S. (1979-04-01). "Application of Average Flow Model to Lubrication Between Rough Sliding Surfaces". Journal of Lubrication Technology. 101 (2): 220–229. doi:10.1115/1.3453329. ISSN0022-2305.
Harp, Susan R.; Salant, Richard F. (2000-10-17). "An Average Flow Model of Rough Surface Lubrication With Inter-Asperity Cavitation". Journal of Tribology. 123 (1): 134–143. doi:10.1115/1.1332397. ISSN0742-4787.
Wu, Chengwei; Zheng, Linqing (1989-01-01). "An Average Reynolds Equation for Partial Film Lubrication With a Contact Factor". Journal of Tribology. 111 (1): 188–191. doi:10.1115/1.3261872. ISSN0742-4787.
Greenwood, J. A.; Tripp, J. H. (June 1970). "The Contact of Two Nominally Flat Rough Surfaces". Proceedings of the Institution of Mechanical Engineers. 185 (1): 625–633. doi:10.1243/pime_proc_1970_185_069_02. ISSN0020-3483.
Patir, Nadir; Cheng, H. S. (1978). "An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication". Journal of Lubrication Technology. 100 (1): 12. doi:10.1115/1.3453103. ISSN0022-2305.
Patir, Nadir; Cheng, H. S. (1979-04-01). "Application of Average Flow Model to Lubrication Between Rough Sliding Surfaces". Journal of Lubrication Technology. 101 (2): 220–229. doi:10.1115/1.3453329. ISSN0022-2305.
Harp, Susan R.; Salant, Richard F. (2000-10-17). "An Average Flow Model of Rough Surface Lubrication With Inter-Asperity Cavitation". Journal of Tribology. 123 (1): 134–143. doi:10.1115/1.1332397. ISSN0742-4787.
Wu, Chengwei; Zheng, Linqing (1989-01-01). "An Average Reynolds Equation for Partial Film Lubrication With a Contact Factor". Journal of Tribology. 111 (1): 188–191. doi:10.1115/1.3261872. ISSN0742-4787.
Greenwood, J. A.; Tripp, J. H. (June 1970). "The Contact of Two Nominally Flat Rough Surfaces". Proceedings of the Institution of Mechanical Engineers. 185 (1): 625–633. doi:10.1243/pime_proc_1970_185_069_02. ISSN0020-3483.