Pignatello, Joseph J; Uchimiya, Minori; Abiven, Samuel; Schmidt, Michael W I (2015). Evolution of biochar properties in soil. In: Lehmann, Johannes; Joseph, Stephen. Biochar for environmental management. Science, technology and implementation (2nd edition). Abingdon (UK): Routledge, 195-233.
Lehmann, Johannes; Abiven, Samuel; Kleber, Markus; Pan, Genxing; Singh, Bhupinder Pal; Sohi, Saran P; Zimmerman, Andrew R (2015). Persistence of biochar in soil. In: Lehmann, Johannes; Joseph, Stephen. Biochar for environmental management. Science, technology and implementation (2nd edition). Abingdon (UK): Routledge, 235-282.
Wiedemeier, Daniel B; Abiven, Samuel; Hockaday, William C; Keiluweit, Marco; Kleber, Markus; Masiello, Caroline A; McBeath, Anna V; Nico, Peter S; Pyle, Lacey A; Schneider, Maximilian P W; Smernik, Ronald J; Wiesenberg, Guido L B; Schmidt, Michael W I (2015). Aromaticity and degree of aromatic condensation of char. Organic Geochemistry, 78:135-143.
Hammes, Karen; Abiven, Samuel (2013). Identification of black carbon in the Earth system. In: Belcher, Claire M. Fire phenomena and the Earth system: an interdisciplinary guide to fire science. Chichester: Wiley-Blackwell, 157-176.