Search for "triphenylphosphine monolith" in Full Text gives 2 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2013, 9, 1781–1790, doi:10.3762/bjoc.9.207
Beilstein J. Org. Chem. 2011, 7, 1648–1655, doi:10.3762/bjoc.7.194