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平台:
ProQuest Agricultural & Environmental Science Database
(Available from 2003/02/01 volume: 173 issue: 1. Most recent 1 year(s) not available.)
ProQuest Biological Science Database
(Available from 2003/02/01 volume: 173 issue: 1. Most recent 1 year(s) not available.)
ProQuest SciTech Premium Collection
(Available from 2003/02/01 volume: 173 issue: 1. Most recent 1 year(s) not available.)
SpringerLink Journals - AutoHoldings
(Available from 2016/01/01 volume: 186 issue: 1 until 2017/12/01 volume: 187 issue: 8. Available from 1984/01/01 volume: 154 issue: 1 until 2007/11/01 volume: 177 issue: 8.)
SpringerLink Online Journals Archive
(Available from 1984 until 1996.)