White, Robert E. Principles and practice of soil science: the soil as a natural resource/ Robert E. White. the soil as a natural resource/ - 4th. ed. - New Delhi: Wiley India, c2006. - xi,362p.; 24x18 cm. ISBN: 978-81-265-2967-4: Rs 610 Subjects--Topical Terms: SOIL SCIENCE Dewey Class. No.: 631.4 / WHI-PRI