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020 _a82848
041 _aEN
082 _a551.48
_bINT
_223
111 _9140927
_aINTERNATIONAL Seminar for hydrology professors (1st: 1969: Illinois)
245 4 _aThe progress of hydrology
_c/sponsored by National Science Foundation...[et al.], Urbana, Illinois, 13-25 July 1969.
260 _aIllinois
_bDepartment of Civil Engineering, University of Illinois at U
_c1969
300 _a3 v. (iii, 1295 p.)
500 _aContents: v.1-New developments in hydrology. - v.2-Specialized hydrologic subjects. - v.3-Hydrologic education and discussions.
509 _aNS
650 _aHydrology
942 _cS