626 556 3 Exclude matching results vodné hospodárstvo 3 Exclude matching results 551.4 2 Exclude matching results 628 2 Exclude matching results 628.3 2 Exclude matching results hydrológia 2 Exclude matching results 624 1 Exclude matching results 627 1 Exclude matching results 72 1 Exclude matching results stavebníctvo 1 Exclude matching results vodné staviteľstvo 1 Exclude matching results