?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+L&rft.au=Sahrawat%2C+K+L&rft.aulast=Sahrawat&rft.atitle=An+analysis+of+the+contribution+of+organic+matter+and+clay+to+cation+exchange+capacity+of+some+philippine+soils&rft.title=Communications+in+Soil+Science+and+Plant+Analysis&rft.issn=0010-3624&rft.date=1983&rft.volume=14&rft.pages=803-809&rft.issue=9&rft.genre=article