@Article{bg-3-467-2006,
AUTHOR = {Ohkouchi, N. and Kashiyama, Y. and Kuroda, J. and Ogawa, N O. and Kitazato, H.},
TITLE = {The importance of diazotrophic cyanobacteria as primary producers during  Cretaceous Oceanic Anoxic Event 2},
JOURNAL = {Biogeosciences},
VOLUME = {3},
YEAR = {2006},
NUMBER = {4},
PAGES = {467--478},
URL = {http://www.biogeosciences.net/3/467/2006/},
ISSN = {1726-4170}
}