@conference {Wang2005932,
	title = {Landmark-based qualitative reference system},
	booktitle = {International Geoscience and Remote Sensing Symposium (IGARSS)},
	volume = {2},
	year = {2005},
	note = {施引文献 10},
	pages = {932-935},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33745699761\&partnerID=40\&md5=559ae84b7ee16e9e8bb3977d014c7698},
	author = {X. Wang and Y. Liu and Gao, Z. and L. Wu}
}
