Item from Mathematical Reviews (American Mathematical Society)--access
their stable url through the AMS database via an institutional library:
MR2331063 (2008f:05049) van Kreveld, Marc; Speckmann, Bettina On
rectangular cartograms. Comput. Geom. 37 (2007), no. 3, 175--187.
(Reviewer: Sandra L. Arlinghaus) 05C10