共 108 条
[1]
ACHLEITNER HK, 1992, QUALITATIVE RES INFO, P21
[2]
[Anonymous], BASIC RES METHODS LI
[3]
ARONOFF S, 1989, GEOGRAPHIC INFORMATI
[4]
Atlas MC, 1997, REF USER SERV Q, V37, P63
[5]
ATTINASI LC, 1990, 38 AIR
[7]
BARRY CA, 1997, LIB INFORMATION SCI, V19, P133
[8]
BARRY CA, 1995, LIB INFORMATION SCI, V17, P10
[9]
BASSETT K, 1995, ENVIRON PLANN A, V27, P1527
[10]
BECKER BJ, 1996, SOCIAL EPISTEMOLOGY, V10, P89