000 00405cam a22001337a 4500
008 180718b1972 xxu||||| |||| 00| 0 eng d
020 _a335 02533 1
082 _aX9 oh2 26 - 7
100 _aPorteous,Andrew
245 _aMaintaining the environment
_cBy Andrew Porteous
260 _aBuckinghamshire
_bOpen University
_c1972
300 _a102p.
650 _aSaline water conversion -- Distillation process.
999 _c413893
_d413893