CAB International <http://www.cabi.org/>

Cambridge Scientific Abstracts <http://www.csa.com/>

Cambridge Journals <http://journals.cambridge.org/>

Cambridge University Press  <http://www.cambridge.org>

Canadian Phytopathological Society  <http://www.cps-scp.ca/>

Cell Press  <http://www.cell.com/>

Centro Studi di Estimo ed Economia Territoriale <http://www.deistaf.unifi.it/>

Chemical Abstracts Service  <http://www.cas.org/>

Chiriotti Editori <http://www.chiriotti.it/>

Clay Minerals Society <http://www.clays.org/index.html>

Cold Spring Harbor Laboratory <http://www.cshl.org> <http://www.cshlpress.com>

Columbia University Press <http://cup.columbia.edu/>

Consejo Superior de Investigaciones Cientificas <http://www.csic.es/>

Cornell University Library <http://arxiv.org/>

CRC Press [Taylor & Francis Group]  <http://www.crcpress.com/>

Crop Science Society of America <http://www.crops.org/>

CSIRO Publishing  <http://www.publish.csiro.au/home.htm>

ultimo aggiornamento: 28/03/2011