Michael J. Jacobson Jr., Hugh C. Williams, Kjell Wooding. Imaginary Cyclic Quartic Fields with Large Minus Class Numbers. In Duncan A. Buell, editor, Algorithmic Number Theory, 6th International Symposium, ANTS-VI, Burlington, VT, USA, June 13-18, 2004, Proceedings. Volume 3076 of Lecture Notes in Computer Science, pages 280-292, Springer, 2004. [doi]