00271nam a2200097 450000100070000000500170000700800360002410000340006024500420009426400370013600759220260807101506.0260101s1999 pe 000 0 spa d1 aZenobio Rodríguez Vílchez10aPerú: Geografía del Medio Natural 1aLimabEditorial San Marcosc1999