S. Ahuja, I.; L. Yadava, C.; Tripathi, S. Coordination Polymers of Some Uranyl Salts Involving 4,4’ -Bipyrideyl, 4,4’ -Bipyridyl N,N’ -Dioxide, 1,3-Bis(4-Pyridyl) Propane and Hexamethylenetetramine . ajc 2010, 1, 195-207.