TY - RPRT TI - On the interaction between specimen and testing machine in mechanical testing procedures. AU - M M Vrijhoef AU - F C Driessens PY - 1971 DO - 10.1016/0021-9290(71)90029-7 UR - https://pubmed.ncbi.nlm.nih.gov/5122816/ ID - 5122816 ER -