000 01373ngm a2200313 a 4500
005 20250913110922.0
007 mr b aedz
008 981208s1975 xxu24 00mumneng
039 9 _a201404021551
_blatihan
_c200702071357
_drosma
_c200610051500
_dadnan
_y08-18-1999
_zload
090 _afilem TD425.B5
090 _afilem TD425
_b.B5
245 0 0 _aBiology of polluted water
_h[motion picture] /
_cOpen University ; consulting engineer, Frank Clough
260 _aMilton Keynes :
_bThe Open University Press,
_c1975
300 _a1 film reel (24 min.) :
_bsd., b&w. ;
_c16 mm. + script
500 _aExamines the use of biotic index, a relatively simple scheme for grading river quality according to river fauna. Comparas the biotic indexes of polluted and inpolluted stretches of the Tame, which rises on Saddleworth Moor and runs through and industrial area of River Mersey
500 _aBackup available in VHS 1/2 in.
500 _aBahan rosak (Lupus)
650 0 _aWater
_xPollution
_xMeasurement
700 1 _aClough, Frank
711 2 _aMersey and Veaver River Unit
711 2 _aOpen University
907 _a.b10233908
_b2021-05-28
_c2019-11-12
942 _c3
_n0
_kfilem TD425.B5
914 _avtls000024464
990 _ajum
991 _aFakulti Sains Hayat
998 _at
_b1999-05-08
_cm
_dg
_feng
_gxxu
_y0
_z.b10233908
999 _c25403
_d25403