00281nam a2200109Ia 4500008004100000041000800041082001800049100002000067245004200087260003400129300000800163211209s1986    xx            000 0 und d  aeng  a692.5 N86 RIC  aRICHARDSON, J G  aSUPERVISION OF CONCRETE CONSTRUCTION   aLONDONbVIEW POINT PUB.c1986  a211