000 00290nam a2200121Ia 4500
008 230416s9999||||xx |||||||||||||| ||und||
020 _a889365555
050 _aTD459 .A27 1990
100 _aAcra, A.
245 0 _aWater disinfection by solar radiation /
260 _c1990
942 _2lcc
_cBK
999 _c3262
_d3262