共 15 条
[1]
AKORODA MO, 1981, IDRC163E, P189
[3]
BURKILL IH, 1960, J LINN SOC BOT, V56, P316
[4]
CHINWUBA PM, 1971, REV YAM PRODUCTION N, P6
[5]
Coursey DG, 1967, YAMS ACCOUNT NATURE
[6]
DEGRAS L, 1978, 1ST P INT SEM YAMS B, P19
[7]
DOKU EV, 1973, 3RD P INT S TROP ROO
[8]
DOKU EV, 1978, 1ST P INT SEM YAMS B, P61
[9]
EDEM EU, 1975, 115 FED DEP AGR RES, P6
[10]
MARTIN F. W., 1963, TROP AGRIC [TRINIDAD], V40, P135