Enumeration of four-connected three-dimensional nets. II. Conversion of edges of three-connected 2D nets into zigzag chains. [electronic resource] - Acta crystallographica. Section A, Foundations of crystallography Mar 1999 - 342-359 p. digital Publication Type: Journal Article ISSN: 1600-5724 Standard No.: 10.1107/s0108767398010010 doi