@article{,
    AUTHOR = {Magnant, Colton and Martin, Daniel M.},
     TITLE = {Coloring rectangular blocks in 3-space},
   JOURNAL = {Discuss. Math. Graph Theory},
  FJOURNAL = {Discussiones Mathematicae Graph Theory},
    VOLUME = {31},
      YEAR = {2011},
    NUMBER = {1},
     PAGES = {161-170},
      ISSN = {1234-3099},
  ABSTRACT = {If rooms in an office building are allowed to be any rectangular solid, how
                many colors does it take to paint any configuration of rooms
                so that no two rooms sharing a wall or ceiling/floor get the
                same color? In this work, we provide a new construction which
                shows this number can be arbitrarily large.},
}