Theory of polypentagons. - Sven J. Cyvin; Bjørg N. Cyvin; Jon Brunvoll; Egil Brendsdal; Fuji Zhang; Xiaofeng Guo; Ratko Tosic (J. Chem. Inf. Comput. Sci., 1993)

Enumeration and Classification of Certain Polygonal Systems Representing Polycyclic Conjugated Hydrocarbons: Annelated Catafusenes. - Sven J. Cyvin; Bjørg N. Cyvin; Jon Brunvoll; Egil Brendsdal (J. Chem. Inf. Comput. Sci., 1994)

Computerized Enumeration of Staggered Alkane Conformers. - Jon Brunvoll; Bjørg N. Cyvin; Egil Brendsdal; Sven J. Cyvin (Comput. Chem., 1995)

Enumeration of Polyene Hydrocarbons: A Complete Mathematical Solution. - Sven J. Cyvin; Jon Brunvoll; Egil Brendsdal; Bjørg N. Cyvin; E. Keith Lloyd (J. Chem. Inf. Comput. Sci., 1995)