1951 20160701171656.0 ASTROimport-108 Wils, P. 2002 Multiperiodicity in the delta Scuti Variable GSC 2899-00521 CCD photometric data shows that GSC 2899-00521 is a Delta Scuti variable with at least three frequencies, of which one is probably a linear combination of the two others. van Cauteren, P. Lampens, P. Information Bulletin on Variable Stars 5267 2002 1 http://esoads.eso.org/abs/2002IBVS.5267....1W published in REFERD