Here are a few references to "juberju":

http://books.google.com/books?id=KjdeGpL70nEC&pg=PA130&dq=juberju&hl=en&ei=ESKGTo6cFeXs0gH12dzUDw&sa=X&oi=book_result&ct=result&

http://books.google.com/books?id=RJPhAAAAMAAJ&q=juberju&dq=juberju&hl=en&ei=ESKGTo6cFeXs0gH12dzUDw&sa=X&oi=book_result&ct=result

http://books.google.com/books?id=E74SR6POrzQC&pg=PA53&dq=juberju&hl=en&ei=ESKGTo6cFeXs0gH12dzUDw&sa=X&oi=book_result&ct=result&r

http://books.google.com/books?id=-zLoMBM7EHwC&pg=PA134&dq=juberju&hl=en&ei=ASSGTr-9IYXW0QGC_7XDDw&sa=X&oi=book_result&ct=result&