TY - JOUR AU - D. Faulkner BT - The Astrophysical Journal DA - Jan-09-1977 DO - 10.1086/155442 PY - 1977 EP - 49 T2 - The Astrophysical Journal TI - Cepheid studies. I - Mode interaction in the beat Cepheid U Trianguli Australis UR - http://articles.adsabs.harvard.edu/full/1977ApJ...216...49F VL - 216 SN - 0004-637X ER -