共 33 条
- [21] Muehrcke Phillip, 1978, MAP USE READING ANAL
- [22] OLSON JM, 1976, PROF GEOGR, V18, P371
- [23] Peucker T.K., 1978, P AM SOC PHOT DIG TE, V516, P96
- [24] PEUCKER TK, 1972, 17 ASS AM GEOGR COMM
- [25] RENS F, COMMUNICATION
- [26] Robinson A. H., 1969, ELEMENTS CARTOGRAPHY
- [27] Robinson A.H., 1978, ELEMENTS CARTOGRAPHY, V4th ed.
- [28] SAMPSON RJ, 1975, DISPLAY ANAL SPATIAL, P244
- [29] SINTON D, 1972, GEOGRAPHICAL DATA HA, P785
- [30] TOBLER WR, 1973, GEOGR ANAL, V5, P262