000 003790000a22001330004500
245 _aFloods and their computation : proceedings of the Leingrad symposium,August 1967
110 _aUNESCO
260 _aParis
_bUNESCO
_c1969
300 _a2 v.
500 _aText in English and French. 2 - vols. 31458- v.1 ; 31459-v.2
080 _a627.51
_bU6
041 _aEN
942 _cBK
999 _c109895
_d109895