平台:
EBSCOhost Business Source Complete
(Available from 2003/05/01 until 2009/03/31.)
EBSCOhost STM Source
(Available from 2003/05/01 until 2009/03/31.)
ProQuest SciTech Premium Collection
(Available from 2005/01/01 until 2009/03/31.)
EBSCOhost Business Source Complete
(Available from 2003/05/01 until 2009/03/31.)
EBSCOhost STM Source
(Available from 2003/05/01 until 2009/03/31.)
ProQuest SciTech Premium Collection
(Available from 2005/01/01 until 2009/03/31.)