TY  - BOOK
AU  - Velazquez Santos,Rafael Antonio
TI  - 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? 
SN  - 9789945858624
U1  - xxxx 
PY  - 2007///
CY  - Santo Domingo
PB  - Cybercolor
N1  - Bibliografía : p. 209
ER  -