400. That’s an error.

Google cannot redirect you to http://www.ingentaconnect.com/content/oup/formod/2001/00000037/00000001/117b;jsessionid=sw8x54w8wa8r.alice?format=bib because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.