?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=H.&rft.au=Eswaran%2C+H.&rft.aulast=Eswaran&rft.isbn=9781439844519%3B+9781439844502&rft.date=2016&rft.btitle=World+soil+resources+opportunities+and+challenges&rft.genre=book