@misc{oai:soar-ir.repo.nii.ac.jp:00010503,
 author = {Hirota,  M},
 month = {Mar},
 note = {Proceedings of Shinshu University International Symposium 2007 “Sustainable Agriculture and Environment:Asian Network”, Other, 信州大学農学部紀要. 44(1-2): 21-22 (2008)},
 title = {Preface},
 year = {2008}
}