John E. McCarthy. Pick's Theorem - What's the Big Deal?. The American Mathematical Monthly, 110(1):36-45, 2003. [doi]
@article{McCarthy03-2, title = {Pick's Theorem - What's the Big Deal?}, author = {John E. McCarthy}, year = {2003}, url = {http://www.jstor.org/stable/3072342}, researchr = {https://researchr.org/publication/McCarthy03-2}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {110}, number = {1}, pages = {36-45}, }