6 papers:
RTA-2015-HirokawaMM #revisited- Leftmost Outermost Revisited (NH, AM, GM), pp. 209–222.
LOPSTR-2013-DanvyJ #automaton #reduction #semantics- From Outermost Reduction Semantics to Abstract Machine (OD, JJ), pp. 91–108.
RTA-2009-EndrullisH- From Outermost to Context-Sensitive Rewriting (JE, DH), pp. 305–319.
PPDP-2003-Escobar- Refining weakly outermost-needed rewriting and narrowing (SE), pp. 113–123.
WRLA-2002-FissoreGK #termination- Outermost ground termination (OF, IG, HK), pp. 188–207.
TLCA-1997-Raamsdonk- Outermost-Fair Rewriting (FvR), pp. 284–299.