共 5 条
[1]
GUPTILL S, 1985, US GEOL SUR UB FISCA, P9
[2]
HOFF WA, 1983, INDUCE 2 PROGRAM LEA
[3]
NYSTROM D, 1985, 19TH P INT S REM SEN, P141
[4]
SMITH T, 1986, KBGIS II KNOWLEDGE B
[5]
SMITH T, 1983, IMPROVED QUERYING LA