共 15 条
[1]
Andrew G., 1948, AGR SUDAN, P84
[2]
Andrews F. W., 1948, Agriculture in the Sudan, being a handbook of agriculture as practised in the Anglo-Egyptian Sudan, P32
[3]
ANDREWS FW, 1950, FLOWERING PLANTS ANG, V2
[4]
Braun-Blanquet J., 1932, PLANT SOCIOLOGY STUD
[5]
EMBERGER L, 1950, UNESCONS11AZ11 REP
[6]
EMBERGER L, 1952, UNESCONSAZ89 REP
[9]
KASSAS M, 1952, J ECOL, V30, P342
[10]
Kassas M, 1953, B SOC GEOGRAPHIE EGY, V26, P193