JAAVSO: Published Volumes | AAVSO [http://www.aavso.org/jaavso-published-volumes] - 2014-10-07 00:00:00 - public:GustavHolmberg delicious, Fokuskurs - 2 | id:273896 -
Light Curve Generator (LCG) | AAVSO [http://www.aavso.org/lcg] - 2014-10-07 00:00:00 - public:GustavHolmberg delicious, Fokuskurs - 2 | id:273897 -
AAVSO | American Association of Variable Star Observers [http://www.aavso.org/] - 2014-10-07 00:00:00 - public:GustavHolmberg delicious, Fokuskurs, liberalarts2015 - 3 | id:273898 -
SVO - SAAF/V:s variabeldatabas [http://var.astronet.se/] - 2014-10-07 00:00:00 - public:GustavHolmberg delicious, Fokuskurs, liberalarts2015 - 3 | id:273899 -