TY - RPRT TI - Web GIS in practice VII: stereoscopic 3-D solutions for online maps and virtual globes AU - Maged N.K. Boulos AU - Larry R. Robinson PY - 2009 DO - 10.1186/1476-072x-8-59 UR - https://pubs.usgs.gov/publication/70004101 ID - 70004101 ER -