Doherty, C. H.
Science builds the bridges / C. H. Doherty ; illustrated by Gerald Wilkinson. - 1st ed. - New York : Brockhampton Press, c 1965. - 96 p. : ill. ; 20 cm. - World of science series. .
Includes index.
345 345
Bridges.
624.1 / D68r
Science builds the bridges / C. H. Doherty ; illustrated by Gerald Wilkinson. - 1st ed. - New York : Brockhampton Press, c 1965. - 96 p. : ill. ; 20 cm. - World of science series. .
Includes index.
345 345
Bridges.
624.1 / D68r