00354nam a22001217a 4500022001500000082003100015100002100046245005400067260005300121300001300174526003700187650000800224  a0442230907  a620.11223bKNOcL-21, P-81  aKnofel, dietbert  aCorrosion of building material /cDietbert Knofel  aGermany :bVan Nostrand Reinhold Company,c1978.  a107 p. :  a0b0c0d620_112230000000000_KNO  aMCE