Positive plant interactions and community dynamics [elektronický zdroj] / edited by Francisco I. Pugnaire.    Boca Raton, Fla. : Bilbao :  CRC Press ; Fundaciâon BBVA,  c2010 . 1 online zdroj (xvii, 156 s.)
http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=342556