You may also wish to search for items by Ren, S. and Ren.
Only one matching reference was found.
Briscoe, B.J.; Luckham, P.F.; Ren, S.R., An assessment of a rolling-ball viscometer for studying non-Newtonian fluids, Colloids Surf., 1992, 62, 1-2, 153-62. [all data]