@book{ ALVÁREZ_Balibrea-_Correa-_Reyes-_Saez-,

author = { ANTONIO ALVÁREZ ALCANTARA and Salvador Balibrea- and Joaquin Correa- and Manuel Reyes- and Alfredo Saez- } ,

title = { NATUR ZIENTZIAK 2 : BIGARREN HEZKUNTZA : [EUSKADI] },

publisher = { ANAYA HARITZA },

year = { 2000 },

isbn = { 84-207-9881-9 },

}