00486nam a2200145Ia 450000500170000000800410001702000150005808200130007310000230008624500720010926000230018165000250020495200940022999900170032320240911061952.0181123s9999    xx            000 0 und d  a0070571759  a542bshu  aShugar, Gershon j. 0aChemical technicians' Ready reference handbook /cGershon J. Shugar  bMcGraw-Hill,c1918  aChemical technicians  00104071aRFbRFd2018-12-12l0o542 shupLC-24391r2018-12-12 00:00:00w2018-12-12yBK  c21715d21715