@inproceedings {5028,
	title = {Multi-Stage Math Formula Search: Using Appearance-Based Similarity Metrics at Scale},
	booktitle = {International Conference on Research and Development in Information Retrieval (SIGIR)},
	year = {2016},
	doi = {10.1145/2911451.2911512},
	author = {Richard Zanibbi and Kenny Davila and Andrew Kane and Frank Tompa}
}
