Omer Bar-Ilan Oded Fuhrmann Shlomo Hoory Ohad Shacham Ofer Strichman Linear-Time Reductions of Resolution Proofs. 114-128 2008 Haifa Verification Conference http://dx.doi.org/10.1007/978-3-642-01702-5_14 conf/hvc/2008 db/conf/hvc/hvc2008.html#Bar-IlanFHSS08