Mechanical man /
Becker, Beril.
Mechanical man / Beril Becker ; ill. by Gyula Zilzer. - student science ed. - New York : Washington Square Press, c1959. - 166 p. : ill. ;
Electric engineering.
Mechanical engineering.
621 / B395 1959
Mechanical man / Beril Becker ; ill. by Gyula Zilzer. - student science ed. - New York : Washington Square Press, c1959. - 166 p. : ill. ;
Electric engineering.
Mechanical engineering.
621 / B395 1959