by Mougin, E., Proisy, C., Marty, G., Fromard, F., Puig, H., Betoulle, J.L., Rudant, J.P.
Published in IEEE transactions on geoscience and remote sensing (01.01.1999)

by Fromard, F, Puig, H, Mougin, E, Marty, G, Betoulle, J.L, Cadamuro, L
Published in Oecologia (01.06.1998)

by Betoulle, J.L, Fromard, F, Fabre, A, Puig, H
Published in Canadian journal of botany (2001)