The formal title given to the work by its author or publisher. The 'title' field provides a description of the resource that is being documented that is long enough to differentiate it from other similar resources.
A second, higher order title where appropriate, which in the case of a reference to a chapter is the Book title, and in the case of a Conference Presentation is the Name of the Conference.
The 'pubDate' field represents the date that the resource was published. The format should be represented as: CCYY, which represents a 4 digit year, or as CCYY-MM-DD, which denotes the full year, month, and day. Note that month and day are optional components. Formats must conform to ISO 8601. For example: 1999-10-26
The date the resource being referenced was accessed. This is useful if the resource is could be changed after formal publication, such as web sites or databases.