000			00303nam a2200133Ia 4500
008			231017s9999 xx 000 0 und d
082			_a624.284
082			_bLAG
245		0	_aBridge scour and stream instability countermeasures
245		0	_cNHI
260			_bNHI
300			_c30cm
942			_cREP
999			_c605728 _d605728