411 REFERENCE · Wiktionary
A&A
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
A & A
English
Proper noun
en astronomy astrophysics en w:Astronomy and Astrophysics: a scientific journal founded in 1969, covering theoretical, observational, and instrumental astronomy and astrophysics.
en 2004 Asymptotic Giant Branch Stars Harm J. Habing; Hans Olofsson Springer 0387008802 KpRH1mAl7HIC 402 A%26A 1. Aoki, W., Tsuji, T., and Ohnaka, K. A&A, 333, L19, 1998.<br
/>2. Aoki, W., Tsuji, T., and Ohnaka, K. A&A, 350, 945, 1999.<br
/><br
/>4. Bachiller, R., Forveille, T., Huggins, P. J., and Cox, P. A&A, 324, 1123, 1997.
en abbreviations and acronyms,acronyms and abbreviations.
en https://www.google.com/books/edition/Toquop_Energy_Project_and_Toquop_Land_Di/jvQxAQAAMAAJ?hl=en&gbpv=1&bsq=%22A%26A%22&pg=RA1-PA1&printsec=frontcover Toquop Energy Project and Toquop Land Disposal Amendment to the Caliente Management Framework Plan: Environmental Impact Statement 70951503 2003 Acronyms and Abbreviations [page footer] A&A-1
en reduplicated coordinated pairs