books%3Fid=kEPbRmivj7IC&pg=PA43&dq=Birao&hl=en&ei=YiYATfW-I8einQe18PHlDQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEEQ6AEwBTgU%23v=onepage&q=Birao&f=false%3E.

books%3Fid=kEPbRmivj7IC&pg=PA43&dq=Birao&hl=en&ei=YiYATfW-I8einQe18PHlDQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEEQ6AEwBTgU%23v=onepage&q=Birao&f=false%3E.

https://books.google.com/books%3Fid=kEPbRmivj7IC&pg=PA43&dq=Birao&hl=en&ei=YiYATfW-I8einQe18PHlDQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEEQ6AEwBTgU%23v=onepage&q=Birao&f=false%3E.
Birao
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books%3Fid=kEPbRmivj7IC&pg=PA43&dq=Birao&hl=en&ei=YiYATfW-I8einQe18PHlDQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEEQ6AEwBTgU%23v=onepage&q=Birao&f=false%3E.

https://books.google.com/books%3Fid=kEPbRmivj7IC&pg=PA43&dq=Birao&hl=en&ei=YiYATfW-I8einQe18PHlDQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CEEQ6AEwBTgU%23v=onepage&q=Birao&f=false%3E.