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平台:
EBSCOhost Academic Search Complete
(Available from 2003/01/01. Most recent 1 year(s) not available.)
ProQuest Agricultural & Environmental Science Database
(Available from 1997/01/01 volume: 93 issue: 1. Most recent 1 year(s) not available.)
ProQuest SciTech Premium Collection
(Available from 1997/01/01 volume: 93 issue: 1. Most recent 1 year(s) not available.)
SpringerLink Journals - AutoHoldings
(Available from 2016/01/01 volume: 207 issue: 2 until 2017/12/30 volume: 214 issue: 1. Available from 1952/02/01 volume: 1 issue: 1 until 1996/01/01 volume: 91 issue: 3.)
SpringerLink Online Journals Archive
(Available from 1952 until 1996.)