@misc { PURR2210, title = {Purdue University Buildings Demolition, Construction Images, August 2016, MATH Building Camera}, month = {Sep}, url = {https://purr.purdue.edu/publications/2210/1}, year = {2016}, doi = {doi:/10.4231/R72N507V}, author = {Darcy M. Bullock , and Alexander M. Hainen , and Andrew Sydelko , and David Burford , and Michael Witt ,} }