000			00546nam a22002297a 4500
015			_a7119
020			_a90 327 0340 4
041			_a1
080			_a626.86 _bNIJ
100			_aNijland, H. J.
100			_aCroon, F. W.
100			_aRitzema, H. P.
245			_aSubsurface drainage practices
260			_aAlterra _bNetherland _c2005
300			_a607p. _bfig., ill. col.
650			_aEngineering
852			_a4R4-2
999			_c3318 _d3318