TY - RPRT TI - An improved video-based computer tracking system for soft biomaterials testing. AU - J Downs AU - H R Halperin AU - J Humphrey AU - F Yin PY - 1990 DO - 10.1109/10.58600 UR - https://pubmed.ncbi.nlm.nih.gov/2227976/ ID - 2227976 ER -