共 69 条
[41]
Pelkmans L., 2005, BIOFUELS US
[42]
Pfeffer MJ, 2011, PATHWAYS FOR GETTING TO BETTER WATER QUALITY: THE CITIZEN EFFECT, P109, DOI 10.1007/978-1-4419-7282-8_9
[43]
Pretty Jules., 1995, REGENERATING AGR POL
[46]
Ribaudo M., 2011, REDUCING AGR NITROGE
[47]
Ribaudo M., 2006, AGR RESOURCES ENV IN, V2006, P33
[49]
Schnitke Gary, 2011, RELATIONSHIP ANHYDRO