000 003180000a22001210004500
245 _aFresh water : the precious resource
100 _aDavies, Delwyn
260 _aNew York
_bNatural History Press
_c1969
300 _a155p. : ill., photos. (some col.)
080 _a551.48
_bD3
041 _aEN
942 _cBK
_01
999 _c100775
_d100775