Observation Report for the Year 2009, Humacao University Observatory
Journal article published in 2012 by
R.~J Muller,
J.~C Cersosimo,
D. Centeno,
L. Rivera-Rivera,
E. Franco,
Maldonado,
M. De Jesus,
R.~A Rodriguez,
A.~J Sosa,
M. Rosario,
M. Diaz 
