I'm preparing a paper for an American Chemical Society journal, hence using the achemso document class and bibliography style, along with bibtex. Accordingly I don't want to change the achemso style file at all.

  1. What's the correct item type to use for an electronic resource? I've tried url, electronic, and webpage (options available in bibdesk) but none are recognized upon compiling with bibtex. (it seems to fall back to misc)

  2. What would the correct field be for including the Last Accessed date - again, the urldate field does not seem to be recognized in the achemso style.

  • 1
    The biblatex-chem package defines a chem-acs style. With biblatex, electronic resources correspond to the @online entry type.
    – Bernard
    Feb 27, 2020 at 22:09
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    If you want to submit to a journal of the ACS I would not use biblatex-chem (unless you cleared this with the editor), it seems safer to stick to achemso and its achemso.bst BibTeX style. With that style the only type that supports URLs is @misc (you could use a different undefined type like @online or @electronic, but it will fall back to @misc as you say, so you don't gain a lot). There is no field for the URL access date, you could put it into the note field. (I'd check with the ACS if an access date is needed at all.)
    – moewe
    Feb 27, 2020 at 22:16
  • @moewe - Agreed, I need to stick with bibtex to make it easy with the journal. Thanks for the confirmation that I feared that I can't really do it "the right way". Thanks for the idea about the note field too. Feb 28, 2020 at 1:45
  • The CTAN page says that achemso bundles the official class and BibTeX styles (ctan.org/pkg/achemso) so unless you have hard proof of the contrary I would just assume that the BibTeX styles produce the desired output and don't need access dates. (Of course if you do have evidence that there should be an access date, it may be useful to contact the package author - the documentation should tell you where to complain.)
    – moewe
    Feb 28, 2020 at 6:58
  • @moewe Well the journal editor said I needed them, so yes, I do! Good idea about contacting the package author. I know Joseph Wright is active here...so...@josephwright, what do you think? Feb 28, 2020 at 16:33


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