TY - RPRT TI - A hand-held friction meter. AU - J S Comaish AU - P R Harborow AU - D A Hofman PY - 1973 DO - 10.1111/j.1365-2133.1973.tb01914.x UR - https://pubmed.ncbi.nlm.nih.gov/4788316/ ID - 4788316 ER -