Velazquez Santos, Rafael Antonio <br/><br/>
Letters to his excellency president George W. Bush and the Issac Newton's theory of gravity on earth :  a real matter or a scientific myth? / 
Rafael Antonio Velazquez Santos. 
 - Santo Domingo :  Cybercolor,  2007. 
 - 209 p. :  retrs. ;  22 cm. 
<br/><br/>Bibliografía : p. 209 
<br/><br/><label>ISBN: </label>9789945858624 
<br/><br/><label>Dewey Class. No.: </label>xxxx  / V434l