Bates, Albert K., 1947- The biochar solution : carbon farming and climate change - [Gabriola Island, Canada] New Society Publishers 2010 - xiv, 209 p. 23 cm.*il. Bibliografía y sitios web: p.197-204 ISBN: 978-0-86571-677-3 Subjects--Topical Terms: CARBON VEGETAL Dewey Class. No.: 662.74/B318b