@article{10_4153_CJM_1997_014_2, author = {McCall, Thomas M. and Parry, Charles J. and Ranalli, Ramona R.}, title = {The {2-Rank} of the {Class} {Group} of {Imaginary} {Bicyclic} {Biquadratic} {Fields}}, journal = {Canadian journal of mathematics}, pages = {283--300}, year = {1997}, volume = {49}, number = {2}, doi = {10.4153/CJM-1997-014-2}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-014-2/} }