||Young KD. The selective value of bacterial shape. Microbiol Mol Biol Rev. 2006 Sep70(3):660-703 DOI: 10.1128/MMBR.00001-06 p.684 right column 2nd paragraphPubMed ID16959965
|| Sherr EB, Sherr BF. Bacterivory and herbivory: Key roles of phagotrophic protists in pelagic food webs. Microb Ecol. 1994 Sep28(2):223-35. doi: 10.1007/BF00166812PubMed ID24186449
||P.684 right column 2nd paragraph: "The percentage of phytoplankton
(including bacteria) grazed per day is estimated at anywhere from 25 to 100% (primary source), with actual measurements from 27 oceanic locations ranging from 3 to 131% (ref 299)."