00470nam a2200169Ia 450000500170000000800410001702000180005803500090007604100080008508200130009324500340010626000390014030000080017950000090018750500550019665000490025120260808125524.0260808s9999||||xx |||||||||||||| ||und||  a1-878800-09-4  a7050  aENG  a540.1058 0aOPD chemical buyers directory  aNew YorkbSchnell Publishingc1999  a748  aGift  areference, chemical directory, chemistry resources  aReferences (Directory)bChemistry -- General