COSMOGRAIL: The COSmological MOnitoring of GRAvItational Lenses. I. How to sample the light curves of gravitationally lensed quasars to measure accurate time delays
Journal article published in 2005 by
A. Eigenbrod,
F. Courbin,
C. Vuissoz,
G. Meylan,
P. Saha,
S. Dye 
