afforestation 1 [vynechat] angličtina 1 [vynechat] dejiny matematiky 1 [vynechat] forest cultivation 1 [vynechat] forest stands 1 [vynechat] forests 1 [vynechat] history of mathematics 1 [vynechat] jazyková výuka 1 [vynechat] lesné porasty 1 [vynechat] lesy 1 [vynechat] obnova lesných porastov 1 [vynechat] pestovanie lesa 1 [vynechat]