...Plant factories
Parker, Bertha Morris.
Plant factories by Bertha Morris Parker and Orlin D. Frank... - Evanston, Ill. Row, Peterson and company 1953, c1944. - 35, [1] p. illus. (part col.) 22 cm. 0100 - The Basic science education series .
Botany--Juvenile literature.
Botany--Physiology.
Plant factories by Bertha Morris Parker and Orlin D. Frank... - Evanston, Ill. Row, Peterson and company 1953, c1944. - 35, [1] p. illus. (part col.) 22 cm. 0100 - The Basic science education series .
Botany--Juvenile literature.
Botany--Physiology.