Andrea Asperti Enrico Tassi Higher order Proof Reconstruction from Paramodulation-Based Refutations: The Unit Equality Case. 146-160 2007 conf/mkm/2007 Calculemus/MKM http://dx.doi.org/10.1007/978-3-540-73086-6_14 db/conf/mkm/mkm2007.html#AspertiT07