@inproceedings{bridges2000:353, author = {Emmer, Michele}, title = {Mathematics and Art: Bill and Escher}, pages = {353--362}, booktitle = {Bridges: Mathematical Connections in Art, Music, and Science}, year = {2000}, editor = {Sarhangi, Reza}, isbn = {0-9665201-2-2}, issn = {1099-6702}, publisher = {Bridges Conference}, address = {Southwestern College, Winfield, Kansas}, url = {http://archive.bridgesmathart.org/2000/bridges2000-353.html} }