Polce, M J Structural characterization of quinoxaline homopolymers and quinoxaline/ether sulfone copolymers by matrix-assisted laser desorption ionization mass spectrometry. [electronic resource] - Analytical chemistry May 2001 - 1948-58 p. digital Publication Type: Journal Article ISSN: 0003-2700 Standard No.: 10.1021/ac001247h doi