Swarbrick, J C Square, hexagonal, and row phases of PTCDA and PTCDI on Ag-Si(111)square root(3) x square root(3)R30 degrees. [electronic resource] - The journal of physical chemistry. B Jun 2005 - 12167-74 p. digital Publication Type: Journal Article ISSN: 1520-6106 Standard No.: 10.1021/jp0508305 doi