TY  - BOOK
AU  - Esto, Rey
TI  - World scientist and inventors for the students / : by Rey Esto.  
SN  - 971-91115-3-4  
U1  - FIL 500.8 Es87 1989 
PY  - 1989///.
CY  - [s.l.]
PB  - R.E. Books Marketing
KW  - Scientist--Biography
ER  -