@article{MS2_1995__76_2_167333,
     author = {Elliot Benjamin and C. Snyder},
     title = {Real {Quadratic} {Number} {Fields} with {2-Class} {Group} of {Type} (2,2).},
     journal = {Mathematica Scandinavica},
     pages = {161--178},
     publisher = {mathdoc},
     volume = {76},
     number = {2},
     year = {1995},
     zbl = {0847.11058},
     url = {http://geodesic.mathdoc.fr/item/MS2_1995__76_2_167333/}
}