Add two papers to publication list
Add two papers to publication list

liangjg/openmc,paulromano/openmc,shikhar413/openmc,amandalund/openmc,smharper/openmc,walshjon/openmc,smharper/openmc,amandalund/openmc,shikhar413/openmc,liangjg/openmc,paulromano/openmc,amandalund/openmc,mit-crpg/openmc,shikhar413/openmc,mit-crpg/openmc,liangjg/openmc,mit-crpg/openmc,smharper/openmc,wbinventor/openmc,wbinventor/openmc,paulromano/openmc,wbinventor/openmc,mit-crpg/openmc,walshjon/openmc,amandalund/openmc,smharper/openmc,walshjon/openmc,liangjg/openmc,paulromano/openmc,walshjon/openmc,wbinventor/openmc,shikhar413/openmc