\input zb-basic
\input zb-ioport
\iteman{io-port 70809504}
\itemau{Krishnan, Sriram; Crosby, Christopher J.; Nandigam, Viswanath; Phan, Minh; Cowart, Charles; Baru, Chaitanya K.; Arrowsmith, J. Ramon}
\itemti{Opentopography: a services oriented architecture for community access to LIDAR topography}
\itemso{COM.Geo, 7 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1999320.1999327}
\end