共 32 条
[1]
ARANDA JM, 1960, THESIS U ABERDEEN
[4]
BANNISTER P, 1963, THESIS U ABERDEEN
[6]
BRAID KW, 1937, SCOT J AGR, V20, P1
[7]
BROUWER R, 1953, P KON NED AKAD WET C, V56, P108
[8]
DEACON EL, 1958, ARID ZONE RES, V10, P9
[9]
DORING BERTI, 1935, ZEITSCHR BOT, V28, P305
[10]
ECKARDT FE, 1960, ARID ZONE RESEARCH, V15, P139