青云翻译

Li Deren, Jian-Ya Gong, Fu-Ling. Introduction to Geographic Information Systems [M]. Beijing: Surveying and Mapping Press, 1993.

Li Deren, Gong Jian-ya, bian f-l. Introduction to geographic information system [m]. Beijing: survey press, 1993.

Li Deren, Gong Jian is elegant, fragrance water chestnut. Geographic information system introductory remarks [M]. Beijing: Mapping publishing house, 1993.

deren side, kung-fu Li Ling Ya, geographic information systems on introduction . M [ ] mapping publishing house, beijing: 1993 . .

Li Deren, Gong Jian-ya, bian f-l. Introduction to geographic information system [m]. Beijing: survey press, 1993.