The Norma spiral arm: large-scale pitch angle
Crossref DOI link: https://doi.org/10.1007/s10509-017-3145-5
Published Online: 2017-08-25
Published Print: 2017-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Vallée, Jacques P.
License valid from 2017-08-25