Studies and reports in hydrology.

no.5:2:2(1993); no.5:1(1969); no.5:2:1(1971); no.5:3:1(1971); no.5:3:2(1974); no.5:3:3(1979); no.5:3:4(1985); no.9:1-2(1970); no.10-11(1972); no.10 (1965-74); no.14-15(1972-1974); no.18; no.30-31 (1980-81); no.5;v.3;pt.5 (1992); no.43:2(1987); no.58-59 (1998-99); no.12(1973); no.13(1973); no.27(1979); no.4(1970); no.44(1987); no.46(1987); no.48(1987); no.49(1991); no.50(1991); no.51(1993); no.52(1995); no.54(1997); no.55(1998); no.56(1998); no.57(1998); no.58(1999); no.59(1998)