An organization of amateur astronomers based in London, founded in 1890. It publishes a bimonthly Journal and an annual Handbook.
http://www.britastro.org/baa/ Official BAA website.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。