@article{bs-cspta-00
, author = {Sergei Bespamyatnikh and Michael Segal}
, title = {Covering a Set of Points by Two Axis-parallel Boxes}
, journal = {Information Processing Letters}
, year = {2000}
, volume = {75}
, pages = {95--100}
, url = {http://dx.doi.org/10.1016/S0020-0190(00)00093-4}
}