00456nam a2200169Ia 450000500170000000800410001702000090005808200200006710000260008724500500011325000070016326000420017030000140021250500350022694200080026199900170026920250107234103.0250106s1967    xx            000 0 und d  a7097  aS.C./031/E56/25  aAmericana Corporation 0aEncyclopedia americana: international edition  a1a  aNew YorkbAmericana Corporationc1967  a824eSí  a25. Silk to Sulphovinic Acid.   cS.C  c65221d65221