The following publications are possibly variants of this publication:
- National large-scale Urban True Orthophoto Mapping and its standard initiativeGuoqing Zhou, Wenhan Xie, Susan Benjamin, Robin Fegeas, John Simmers, Hap Cluff, Y. Lei, Jeanne Foust. DG.O 2006: 305-306 [doi]
- US National Large-scale City orthoimage standard initiativeGuoqing Zhou, Changqing Song, Susan Benjamin, W. Schickler. igarss 2003: 3739-3741 [doi]