000 003050000a22001210004500
008 151104t1985 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.65.001.5
_bY3
942 _cBK
100 _aYau, Goh Sing
245 _aLaboratory and field testing of handpumps
260 _aOttawa
_bIDRC
_c1985
999 _c141342
_d141342