共 43 条
[3]
Allen P., 1991, American Journal of Alternative Agriculture, V6, P34, DOI 10.1017/S0889189300003787
[4]
[Anonymous], COUNC AD CLIM EN LEG
[5]
[Anonymous], INFORM AGRARIO S
[6]
Bagnouls F., 1953, B SOC HIST NAT TOUL, V88, P193
[9]
BONARI E, 1995, RIV AGRONOMIA, V3, P348
[10]
CECCON P, 2003, ITAL J AGRON, V6, P73