Bombicz, Petra A classical example of a disappearing polymorph and the shortest intermolecular H...H separation ever found in an organic crystal structure. [electronic resource] - Angewandte Chemie (International ed. in English) Apr 2003 - 1957-60 p. digital Publication Type: Journal Article ISSN: 1433-7851 Standard No.: 10.1002/anie.200219504 doi