ISBN 9780521034180 books & textbook
Phosphate Deposits of the World: Volume 3, Neogene to Modern Phosphorites (Cambridge Earth Science Series)
Burnett, William C. Riggs, Stanley R.
Cambridge University Press /2006-12-18 Paperback / 484 Pages
isbn-10: 0521034183 / isbn-13: 9780521034180
