Temas colombianos: La metamorfosis del "chino de la calle."
Subtitle: La hidra de Lerna
Published: 1970
Place of publication: Bogota]
Language: spa
Number of pages: 156
Subjects: Vagrant children; Crime
Other titles: La metamorfosis del "chino de la calle.; La hidra de Lerna.
Notes: Each part also has special title page.

Bibliography: p. [155]-156.