?url_ver=Z39.88-2004&rft_id=10.20868%2FUPM.thesis.51475&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Amalia&rft.aulast=Soenens+Mart%C3%ADnez+de+Murguia&rft.au=Soenens+Mart%C3%ADnez+de+Murguia%2C+Amalia&rft.date=2018&rft.degree=Doctoral&rft.tpages=231&rft.inst=E.T.S.+de+Ingenier%C3%ADa+Agron%C3%B3mica%2C+Alimentaria+y+de+Biosistemas+(UPM)+%3Chttps%3A%2F%2Foa.upm.es%2Fview%2Finstitution%2FAgronomica%2F%3E&rft.title=Characterisation+of+Non-symbiotic+Rhizobial+and+Serratia+Populations+from+Soil