Stanje i projekcije budućega gospodarenja i razvoja dobne strukture u šumama hrasta lužnjaka i poljskog jasena na području parka prirode Lonjsko polje = The present condition and a projection of the future management and development/age structure in common oak and narrow-leaved ash forests in the area of Lonjsko polje Nature park - Čavlović, Juro (Array, 2004)