@book{ CERVANTES:222,

author = { AGUSTÍN CERVANTES MADRID } ,

title = { CONOCIMIENTO DEL MEDIO NATURAL },

publisher = { CROMA FACTORIA GRAFICA },

number = { 1 },

address = { ALBOLOTE, GRANADA },

year = { 1998 },

pages = { 222 },

isbn = { 84-8108-090-X },

}