Kruger, P. E. (2013) “Coordination Polymers and Metal–Organic Frameworks Derived from 4,4’-Dicarboxy-2,2’-bipyridine and 4,4’,6,6’-Tetracarboxy-2,2’-bipyridine Ligands: A Personal Perspective”, CHIMIA, 67(6), p. 403. doi: 10.2533/chimia.2013.403.