79/311/EEC: Council Decision of 19 March 1979 concerning the conclusion of the Agreement on a concerted action project in the field of treatment and use of sewage sludge (COST Project 68 'bis').
Dzienniki UE
Dz.U.UE.L.1979.72.35
Akt nienormatywny Wersja od: 23 marca 1979 r.