El Desafío ecológico
Subtitle: ecología y humanismo
By: Xabier Pikaza ... [et al.].
Contributors: Pikaza, Xabier, 1941-
Series: Colección Relectiones ;; 9
Publisher: Universidad Pontificia, Cátedra Herrera Oria
Published: 1985
Place of publication: Salamanca
Language: spa
Number of pages: 143
Subjects: Human ecology -- Philosophy.
Notes: Includes bibliographies.