000 01129nam a2200325 a 4500
001 3940188
003 BD-DhUL
005 20140901122319.0
008 140831s1991 ke ab b 000 0 eng
010 _a 92981260
040 _aDLC
_cDLC
_dDLC
_dBD-DhUL
050 0 0 _aTD425
_b.W49 1991
082 0 0 _a363.7394
_220
_bUNF
100 1 _aWheal, Caroline.
245 1 0 _aFreshwater pollution /
_c[text, Caroline Wheal].
260 _aNairobi :
_bUNEP,
_c1991.
300 _a36 p. :
_bill., maps ;
_c26 cm.
365 _aUS$
_b10.00
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 _2ddc
_cBK
955 _awn02 12-02-92; wn02/wn04 12-23-92 to LC; cj08 05-19-93;; jg00 06-02-93; jg03 10-08-94; jg07 10-11-94
999 _c6908
_d6908