00953nam a22002297a 4500 MN-UlNLM 20240227005404.0 200115s1991 fr ab||| i||| 00| 0 eng d Монгол Улсын Үндэсний номын сан MN-UlNLM MN-UlNLM rda NNA 26.22 G 94 2 Guidelines on the study of seawater intrusion into rivers / prepared for the International Hydrological Programme by the Working Group of Project 4.4b (IHP-III) ; editor, H. van der Tuin. Paris : UNESCO, 1991. 138 p. : ill. ; 30 cm. Studies and report in hydrology ; v 50 Includes bibliographical references. English Saltwater encroachment. ecology Nature water Rivers. Tuin, H. van der. International Hydrological Programme. |b Working Group of Project 4.4b (IHP-III) BK 121590 121647 0 0 0 316 0 UB01000000 UB01000000 UB0100000115 UB0100000115 2020-01-15 Beleg 316 008110000316 3200.00 2020-01-15 00:00:00 0 BK