Synthesis and characterization of lanthanide r- (+) and s- (-)-'ALPHA'-methoxy-'ALPHA'- (trifluomethyl) phenylacetates (mtpa) - Cussigh, O; Silva, A. O.; Zinner, Klaus; Isolani, Paulo Celso; Zinner, Lea Barbieri; Vicentini, Geraldo (Rare Earth Research Conference, 1996)