000 00456nam a2200169 a 4500
005 20151028162040.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
082 _a551.480 7
_bL4
100 _aUnesco
_927048
245 _a Teaching of hydrology
300 _a,
_b,
_cBook
653 _astudy and teaching
_astudy and teaching
_aLimnology
_aTeaching of hydrology
942 _cREF
942 _cREF
260 _aParis
_bThe unesco
_c1974
003 ViArRB
999 _c74017
_d74017