00265nam a2200109Ia 4500008004100000040001800041041001200059082001800071100002300089245003400112260000900146230917s9999||||xx |||||||||||||| ||und||  e5002100aMAIN  aEnglish  a549.27, M318C  aMantell, Charles L 0aCarbon and graphite hand book  c1968