[Epub before printing] means that the electronic version is published before the printed version, and that articles are published on the Internet in the form of electronic documents before being printed into publications.

2012.11.022 means that 20 12 1 1 was published in electronic form in October. I wonder if 022 is the 22nd.

This article was published on June 7, 1965.

There is no gap between acceptance and publication here, because the date of acceptance is not specified. Generally, the author is required to submit the official version after receiving the article. If the author procrastinates, it is normal to publish it two months later than 1.

In addition, the speed of Epub varies from publication to publication. Some Epub will be published within 65,438+0 weeks, making them feel at the forefront of academic research (Epub will be the first to be published in case the same research is accepted by different journals at the same time). Slow 1 two months or even three months is possible.