00620nam a2200145   45000010006000000050017000060080041000230350003000640410007000670500024000741100052000982450240001502600075003903000009004651559920230404125724.0060907n1999    dr                  spa      aEN14aCD UNI HARVARD 0024  aHarvard Institute for International Development1 aDevelopment discussion papers Central America project series :bCosta Rica: caracterization de los visitantes y sus opiniones para las principales Areas protegidas, publicas y privadas /cHarvard Institute for International Development  a(s.l.) :bHarvard Institute for International Development,c1999        ap.v.