Forage legumes for temperate grasslands. By John Frame. Published in 2005 by Science Publishers Inc., Enfield, New Hampshire, USA in association with FAO. ISBNs: (FAO) 92–5–105043–0 (SPI) 1–57808–358–3. Price: US$59.00. Available for purchase at http:// www.scipub.net/agriculture/forage‐legumes‐temperate‐grasslands.html
Principles and practice of soil science. By R. E. White. 4th ed. Published in 2005 by Blackwell Publishing. ISBN: 0632064552. Price: AU$98.95. (paperback) 384 p.