handle unicode in author surnames in crossref
handle unicode in author surnames in crossref

change to minidom parsing instead of beautifulsoup.  probably faster now.

total-impact/total-impact-core,total-impact/total-impact-core,total-impact/total-impact-core,Impactstory/total-impact-core,total-impact/total-impact-core,Impactstory/total-impact-core,Impactstory/total-impact-core,Impactstory/total-impact-core