BibTex format
@inproceedings{Gerino:2015:10.1145/2700648.2811335,
author = {Gerino, A and Picinali, L and Bernareggi, C and Mascetti, S},
doi = {10.1145/2700648.2811335},
pages = {425--426},
publisher = {ASSOC COMPUTING MACHINERY},
title = {Eyes-free Exploration of Shapes with Invisible Puzzle},
url = {http://dx.doi.org/10.1145/2700648.2811335},
year = {2015}
}