@Article{AMPZ:NCOSRCG:2012,
	author = {A. Meduna and P. Zemek},
	title = {Nonterminal Complexity of One-Sided Random Context Grammars},
	journal = {Acta Informatica},
	volume = {49},
	number = {2},
	year = {2012},
	pages = {55--68}
}