2
Published 1967
Full text available from ABI/INFORM Global: 06/01/2006 to 6 months ago
Electronic Serial
7
Published 1997
Full text available from ABI/INFORM Global: 07/01/2001 to 10/31/2015
Electronic Journal
8
Published 1999
Full text available from Biological Science Database: 01/01/2003 to 01/31/2005
Electronic Journal
17
by Caro, Isaac.
Published 2007
Digitalia Hispánica
Electronic eBook
18
Published 1983
Available in Fuente Académica Plus.
Electronic Journal
19
Available in Fuente Académica Plus.
Electronic Journal