Wen, Qing Photoacoustic infrared spectroscopy of polymer beads. [electronic resource] - Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Sep 2009 - 823-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1873-3557 Standard No.: 10.1016/j.saa.2009.04.004 doi Subjects--Topical Terms: AcousticsIsocyanates--analysisMolecular StructureParticle SizePolystyrenes--analysisSpectrophotometry, Infrared--methods