Haokun Geng James C. Russell Bok-Suk Shin Radu Nicolescu Reinhard Klette A Flexible Method for Localisation and Classification of Footprints of Small Species. 274-286 2011 PSIVT (2) http://dx.doi.org/10.1007/978-3-642-25346-1_25 conf/psivt/2011-2 db/conf/psivt/psivt2011-2.html#GengRSNK11