By Flamen P.   Hoekstra O.S.   Homans F.   Van Cutsem E.   Maes A.   Stroobants S.   Peeters M.   Penninckx F.   Filez L.   Bleichrodt R.P.   Mortelmans L.   in European Journal of Cancer

ISSN:0959-8049|37|7|862-869

Elsevier‎(2001)‎

Access to resources Favorite 4.495742

By Homans F.R.   Wilen J.E.   in Journal of Environmental Economics and Management

ISSN:0095-0696|32|1|1-21

Academic Press‎(1997)‎

Access to resources Favorite 2.4078445