00328nam a2200097Ia 4500008004100000100003100041245003600072942000700108999001900115952009600134211126s9999    xx            000 0 und d  a Pipe, Jim  London, 2010   0aWater power : is it efficient?   cBK  c624518d624517  00104070aSUNDLbSUNDLd2021-11-29g213.00l0p33228023331232r2021-11-29w2021-11-29yBK