Xutong Niu Chung-yen Kuo Vasilia Velissariou Ron Li Keith W. Bedford C. K. Shum Multi-source Coastal Data Analysis. 2003 DG.O http://diggov.org/dgrc/dgo2003/cdrom/PAPERS/datasharing2/niu.pdf db/conf/dgo/dgo2003.html#NiuKVLBS03