?url_ver=Z39.88-2004&rft_id=10.1016%2FC2013-0-09872-6&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.&rft.au=Ramkumar%2C+M.&rft.aulast=Ramkumar&rft.btitle=Chemostratigraphy%3A+Concepts%2C+Techniques%2C+and+Applications&rft.date=2015&rft.isbn=9780124199828%3B+9780124199682&rft.genre=book