Thực đơn
1991 BA Tham khảoThực đơn
1991 BA Tham khảoLiên quan
1991 1991 BA 19919 Pogorelov 1991 FIFA Women's World Cup 1991 Darwin 1991 VG 1991 US Open – Men's Singles 19912 Aurapenenta 19915 Bochkarev 19913 AigyptiosTài liệu tham khảo
WikiPedia: 1991 BA http://adsabs.harvard.edu/abs/1991Natur.354..287S http://www.cbat.eps.harvard.edu/iauc/05100/05172.h... http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1991BA;cad=1... http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3092104 http://www.minorplanetcenter.net/db_search/show_ob... //dx.doi.org/10.1038%2F354287a0 https://cneos.jpl.nasa.gov/sentry/details.html#?de... https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3092104#con... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3092104#dis...