Winkler, Norbert
Environmentally sound road construction in mountainous terrain : applying advanced operating methods and tools by Norbert Winkler - Rome FAO 1998 - ix, 54 p. il. n. 30 cm - Forest harvesting case-study / FAO 10 1014-9945 . - Forest harvesting case-study / FAO .
Metodos Equipo Zona de montaña Carreteras Medio ambiente Ordenacion forestal
Environmentally sound road construction in mountainous terrain : applying advanced operating methods and tools by Norbert Winkler - Rome FAO 1998 - ix, 54 p. il. n. 30 cm - Forest harvesting case-study / FAO 10 1014-9945 . - Forest harvesting case-study / FAO .
Metodos Equipo Zona de montaña Carreteras Medio ambiente Ordenacion forestal