Vízügyi Közlemények, 1977 (59. évfolyam)

3. füzet

CONTENTS Page Papp, F. and Szabó, S.: Economic aspects of environment protection in water management 330 Kránicz, I. : Training the Danube River over the Paks-Zádor section (River stations 1537-1529 km) 351 Kovács, D. and Károlyi, Z. : Changes in the ice regime over the Hungarian Danube section of common interest to Hungary and Yugoslavia 373 Nagy I.: Improvement of maintenance work on hydraulic small struktures .... 392 Pintér, J. : Water management model of the Sajó Region 418 Egerszegi, Gg.: Legal protection of water quality in natural streams as reflected by the international agreements of the Hungarian People's Republic .... 428 Obituary 438 Brief papers, publications, reports 1. Markó, I.: Wastewater treatment facility al the Dunaújváros Plant of the Paper Mills Co ' 442 2. Zalánffy, L. : Regulation of fluid pressure by pneumatic control 451 3. Rajkai, V. : Application of fiberglass plates and safety devices in gate structures 459 4. Gajárszki, Gy.: and Gerencsér, A.: Estimation of the number of pumps for pumping stations in sprinkler irrigation 463 5. Nagy, I. M. and Sárdi, A.: Recent evaluation of Ihe instrumental checks on the,

Kisköre Barrage 481 6.. Starosolszky, Ö. : The WMO International Conference on Areal Evaporation in Budapest 493 7. Balogh, J. : The IC1D International Conference on Evapotranspiration in Budapest 495 Review 1. Slope stability by a soil mechanics approach. Reviewed by I. Bogárcli 499 2. Hydroelectric development over the Austrian section of the Dráva River. Reviewed by G. Papp 504 (Summaries translated by Z. Szilvássy, С. E.)