Eleventh Congress, Leningrad, 1965. 5. Seminars

R.S.F.S.R.)) International Association for Hydraulic Research. Congress ((11th: 1965 Leningrad
Bok · Språk ikke angitt · 1965

Utgitt	[Leningrad] : The Association , 1965
Emner	Hydraulics - Congresses Sewage disposal - Congresses