@article{article, title  = {{Laser speckle photography and the submicron measurement of surface deformations on engineering structures}},

 publisher = {{Elsevier BV}},

 url = {{https://doi.org/10.1016/0308-9126(79)90017-8 }},

 year = {{1979}},

 month = {{4}},

 author = {{Gregory DA}},

 doi = {{10.1016/0308-9126(79)90017-8}},

 volume = {{12}},

 journal = {{NDT International}},

 issue = {{2}},

 pages = {{61-70}},

 note = {{Accessed on 2026/02/04}}}