00275nam a2200109Ia 4500008004100000082001200041082000800053245005500061245002000116260002000136300000900156231017s9999    xx            000 0 und d  a388.312  bMCT 0aNational Approach to Traffic Control at Work Sites 0cDavid McTiernan  bDavid McTiernan  c30cm