000 00484nam a2200157 a 4500
020 _a043491374X
040 _cDLC
082 0 0 _a363 HEI 1988 A013 Or.
100 1 _aNewman, P. J.
245 1 0 _aClassification of surface water quality :
_breview of schemes used in EC member states /
260 _aOxford :
_bHeinemann Professional Pub.,
_c1988.
300 _axii, 189 p. :
_bill. (some col.) ;
_c31 cm.
650 0 _aWater quality management
650 0 _aWater quality
942 _cEK
999 _c13269
_d13269