000 00728nam a2200229#a 4500
001 vtls000000661
008 230822s1979 xx 000 0 eng d
020 _a0110-4144
040 _aJPS
090 0 0 _aNZWS TECH 18 551.48(931) STA
110 _aSTANDING BIOLOGICAL WORKING PAR.
_eissuing body
245 2 _aA REVIEW OF SOME BIOLOGICAL METHODS FOR THE ASSESSMENT OF WATER QUALITY WITH SPECIAL REFERENCE...
260 _aWellington : Water & Soil Division,
_c1979
300 _a46p ; illus.
440 _aWater & Soil Technical publication No. 18
546 _aENG
650 1 0 _aNEW ZEALAND.
650 2 0 _aWATER QUALITY - ASSESSMENT.
942 _cMONO
990 _a1979
999 _a02754
_a551.48(931) STA
_aVIRTUA(9
_c572
_d572
003 JPS