00984nas a2200265 i 450099100260746970753620231114121033.0040607c19699999us 000 eng d0013-9157b12948421-39ule_instSet. EconomiaitaCDU 301EnvironmentEnvironment /Helen Dwight Reid Educational FoundationWashington :Helen Dwight Reid Educational Foundation,1969-Codice CNR: P 00097764LE025SAGA 1993;1996-1998; lac.: 1993;1998;Helen Dwight Reid Educational Foundationauthorhttp://id.loc.gov/vocabulary/relators/autScientist and citizen.b1294842101-02-0707-06-04991002607469707536LE025 SAGA0le025-E0.00-no 180000.i1353781707-06-04Environment281225UNISALENTOle02507-06-04sa -engus 00