000 nam a22 4500
020 _a
245 _aDrainage drinciples and applications
260 _aWageningen
_bInternational Institute for Land Reclamation and Improvement.
_c1980
362 _a2nd ed.
710 _aInternational Institute for Land Reclamation and Improvement.
942 _c22
999 _c6711
_d6711