专利“电子目录订购系统”是由IBM发明家John King和John Nilsen于1994年6月7日发布。

Electronic catalogue This patent for a "system for ordering items using an electronic catalogue" was issued to IBM inventors John King and John Nilsen June 7, 1994.

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实现电子文献传递系统的方式有：自动方式、人工辅助方式、网络访问方式和网络订购方式。参考文献8。

There are four models of electronic document delivery systems: automatic model, human assisted model, network access model and network subscription model. 8 refs.

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