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平台:
JSTOR Life Sciences Collection
(Available from 1992/01/01 volume: 1 issue: 1. Most recent 4 year(s) not available.)
ProQuest Agricultural & Environmental Science Database
(Available from 1997/03/01 volume: 6 issue: 1. Most recent 1 year(s) not available.)
ProQuest Biological Science Database
(Available from 1997/03/01 volume: 6 issue: 1. Most recent 1 year(s) not available.)
ProQuest SciTech Premium Collection
(Available from 1997/03/01 volume: 6 issue: 1. Most recent 1 year(s) not available.)
SpringerLink Journals - AutoHoldings
(Available from 2016/01/01 volume: 25 issue: 1 until 2017/11/01 volume: 26 issue: 6. Available from 1992/01/01 volume: 1 issue: 1 until 1996/12/01 volume: 5 issue: 4.)
SpringerLink Online Journals Archive
(Available from 1992 until 1996.)