@other{https://resolver.caltech.edu/CaltechGALCITSM:GALCITSM94-5, title = "Deformation Measurements at the Sub-Micron Size Scale: II. Refinements in the Algorithm for Digital Image Correction", year = "1994", url = "https://resolver.caltech.edu/CaltechGALCITSM:GALCITSM94-5", id = "record", doi = "10.7907/pedw-pd07" } @other{https://resolver.caltech.edu/CaltechAUTHORS:GALCITSM94-5a, title = "Submicron Deformation Field Measurements II: Improved Digital Image Correlation", year = "1994", url = "https://resolver.caltech.edu/CaltechAUTHORS:GALCITSM94-5a", id = "record", doi = "10.7907/zvy1-mb79" }