KURTH, Winfried - SLOBODA, Branislav. Tree and stand architecture and growth described by formal grammars - II. sensitive trees and competition. In Journal of forest science. - Praha ; Praha : Ústav zemědělských a potravinářských informací : Institute of Agricultural Economics and Information. ISSN 1212-4834, 1999, roč. 45, č. 2, s. 53-63.