iopscience.iop.org/0067-0049/187/2/275/pdf/apjs_187_2_275.pdf [http://iopscience.iop.org/0067-0049/187/2/275/pdf/apjs_187_2_275.pdf] - 2014-05-03 00:00:00 - public:GustavHolmberg argumentföramatörastronomi, delicious, recurrentnovae, variablastjärnor - 4 | id:273993 -