Occultation by a protoplanetary clump in the young abrupt variable GM Cepheid
Proceedings article published in 2013 by
W. P. Chen,
S. C.-L. Hu,
B. H. Su,
C. D. Lee,
C. C. Lin,
C. K. Huang,
P. F. Wang,
P. S. Chiang,
C. H. Lee 
,
S. Sato
,
S. Sato
