000 003550000a22001450004500
245 _aLake management
100 _aJorgensen, S.E.
260 _aOxford
_bPergamon
_c1980
300 _axii, 167p. : ill.
440 _aWater development supply and management vol.14
020 _a0080224326
080 _a627.17
_bJ6
041 _aEN
942 _cBK
999 _c114019
_d114019