Minor Planet Observations [493 Calar Alto]
Journal article published in 2006 by
F. Lahulla,
R. L. Allen,
J. Garcia,
S. Schuh,
T. Nagel,
E. Gohler,
A. Ulla,
S. Hugelmeyer,
C. Rodríguez-López 
,
A. Campo Bagatin,
G. Bernabeu,
B. Wilts,
K. Hollenberg,
D. Swoboda,
G. Saucke
and other authors.
,
A. Campo Bagatin,
G. Bernabeu,
B. Wilts,
K. Hollenberg,
D. Swoboda,
G. Saucke
and other authors.
