https://www.aanda.org/articles/aa/full_html/2017/01/aa29321-16/aa29321-16.html
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
magnetic fieldsmeasuringwatermaserssynchrotron
https://www.aanda.org/articles/aa/ref/2008/28/aa09799-08/aa09799-08.html
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
methanol masersresolvingdistanceambiguitiestowards