Astrophysical Masers: Unlocking the Mysteries of the Universe Tarchi, A. ; Reid, M. J. ; Castangia, P. Abstract Publication: Astrophysical Masers: Unlocking the Mysteries of the Universe Pub Date: August 2018 DOI: 10.1017/S1743921318000984 Bibcode: 2018IAUS..336.....T