000			00392nam a2200169Ia 4500
008			160615s9999 xx 000 0 und d
100			_aPICKELS(George W)
245			_aDrainage and flood control engineering
250			_a2nd ed.
260			_aNew York
260			_bMcGraw-Hill
260			_c1925
300			_axii p. + 476
942			_cBooks
999			_c5747 _d5747