@article{Bensana99,
author = "Eric Bensana and Michel Lema^itre and G{\'e}rard Verfaillie",
journal = "Constraints",
number = "3",
pages = "293-299",
title = "{E}arth {O}bservation {S}atellite {M}anagement",
volume = "4",
year = "1999",
}