[Source](http://homes.mpimf-heidelberg.mpg.de/~mhelmsta/pdf/1978 Mountcastle book.pdf "Permalink to 400 Bad Request")

# 400 Bad Request

# Bad Request

Your browser sent a request that this server could not understand.  

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Apache/2.4.7 (Ubuntu) Server at homes.mpimf-heidelberg.mpg.de Port 80