@article{DBLP:journals/jcisd/HosoyaNH94,
author = {Haruo Hosoya and
Umpei Nagashima and
Sachiko Hyugaji},
title = {Topological Twin Graphs. Smallest Pair of Isospectral Polyhedral
Graphs with Eight Vertices},
journal = {Journal of Chemical Information and Computer Sciences},
volume = {34},
number = {2},
year = {1994},
pages = {428-431},
ee = {http://pubs.acs.org/cgi-bin/archive.cgi/jcisd8/1994/34/i02/f-pdf/f_ci00018a033.pdf},
bibsource = {DBLP, http://dblp.uni-trier.de}
}