Convention concerning the protection of the world cultural and natural heritage :  World Heritage Committee, twenty-first session, Naples, Italy 1-6 december 1997 : raport / 
United Nations Educational, Scientific and Cultural Organization 
 - Paris :  UNESCO,  [1998?] 
 - 1 volumen (varias paginaciones) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patrimonio cultural--Protección (Derecho internacional)--Congresos<br/>Conservación de la naturaleza--Congresos
<br/><br/><label>LC Class. No.: </label>K3791  / W67 1997