00309nam a2200121Ia 4500008004100000020001400041041000700055082001000062100001900072245005100091260003100142300001400173180612s9999||||xx |||||||||||||| ||und||  a929355156  aen  a627.5  aBos Marinus,G. 0aFlow Measuring Flumes for Open Channel Systems  aUSAbASAE.. Michiganc1991  axiv,322p.