00311nam a2200109Ia 4500008004100000082001800041082000800059245008300067245002100150260002100171300000900192231017s9999    xx            000 0 und d  a624.151363BAD  bBAD 0aUse of Ring Nets for Slope Protection for Rockfall: End of Construction Report 0cThomas C. Badger  bThomas C. Badger  c30cm