Esto, Rey.
World scientists and inventors for the students : with pictures and biographies for their inventions and discoveries / by Rey Esto. - =s.l.= - R.E. Books Marketing, 1989. - v.
Cover title.
Scientists--Biography.
Inventors--Biography.
Inventions.
World scientists and inventors for the students : with pictures and biographies for their inventions and discoveries / by Rey Esto. - =s.l.= - R.E. Books Marketing, 1989. - v.
Cover title.
Scientists--Biography.
Inventors--Biography.
Inventions.