000 01305nam a2200373 a 4500
001 3940188
003 OSt
005 20260401063032.0
008 930519s1991 ke ab b 000 0 eng
010 _a 92981260
035 _a3940188
040 _aSEKU
050 0 0 _aTD 425
_b.F74
082 0 0 _a363.73/94
_220
100 1 _aWheal, Caroline.
245 1 0 _aFreshwater pollution /
_c[text, Caroline Wheal].
260 _aNairobi :
_bUNEP,
_c1991.
300 _a36 p. :
_bill., maps ;
_c26 cm.
336 _atext
_btxt
_2rdacontent
337 _aunmediated
_bn
_2rdamedia
338 _avolume
_bnc
_2rdacarrier
440 0 _aUNEP/GEMS environment library ;
_vno. 6
500 _aCover title.
500 _a"Based on Global freshwater quality (Blackwell, 1990) and other sources"--T.p. verso.
504 _aIncludes bibliographical references (p. 35-36).
650 0 _aWater
_xPollution.
650 0 _aWater-supply.
710 2 _aUnited Nations Environment Programme.
730 0 _aGlobal freshwater quality.
906 _a7
_bcbc
_corignew
_d3
_encip
_f19
_gy-gencatlg
942 _2lcc
_cGEN
_hTD 425
_i.F74
999 _c18790
_d18790