@article{EXMA_1995__4_3_222883,
     author = {Jacobson, Michael J.jun. and Lukes, Richard F. and Williams, Hugh C.},
     title = {An investigation of bounds for the regulator of quadratic fields.},
     journal = {Experimental mathematics},
     pages = {211--225},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1995},
     zbl = {0859.11057},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_1995__4_3_222883/}
}