Graves, Jonathan
Longman, 1996
Buku Teks
edited by Ryutaro Tateishi, David Hastings
International Society for Photogrammetry and Remote Sensing (ISPRS), 2002
Buku Referensi
Avebury, 1994
Buku Teks
Rom, William N., author
Jossey- Bass, 2012
Buku Teks
Awange, Joseph L., author
Springer, 2012
eBooks