共 21 条
[1]
ACKERMANN E, 1936, WISS VEROFF DT MUS L, V4, P147
[2]
Acres B.D., 1985, Z GEOMORPHOLOGIE S, V52, P63
[3]
ACRES BD, 1983, SOILS TABORA REGION
[4]
ADAMS WM, 1984, IRRIGATION TROPICAL
[5]
ALVERSON H, 1984, HUM ORGAN, V43, P1
[6]
[Anonymous], 1973, LAND USE WATER RESOU
[7]
[Anonymous], 2013, IDEAS DEV, DOI [DOI 10.4324/9781849771665, DOI 10.4324/9781315835815-3]
[8]
[Anonymous], Z GEOMORPHOLOGIE S
[9]
BELL M, 1986, AREA, V18, P3
[10]
HUIZER G, 1984, DEVELOPMENT, V2, P14