Alex Roederer Yury Puzis Geoff Sutcliffe Divvy: An ATP Meta-system Based on Axiom Relevance Ordering. 157-162 2009 CADE http://dx.doi.org/10.1007/978-3-642-02959-2_13 conf/cade/2009 db/conf/cade/cade2009.html#RoedererPS09