000 00572nam a2200217#a 4500
001 vtls000009007
008 230822s1991 xx 000 0 eng d
040 _aJPS
090 0 0 _aWR-0644
110 _aRiver Basin Management Course NRA(National Rivers Authority)
245 0 _aPreliminary Aspects of Sewage Treatment
260 _aRiver Basin Management Course NRA
_c1991
300 _ap.
650 1 0 _aWater Resources
650 2 0 _aGeneral.
650 2 0 _aWATER.
651 _aEngland, London.
700 _aR. Kellock.
942 _cMONO
999 _aVIRTUA00
_c6678
_d6678
003 JPS