00400nam a2200169Ia 4500008004100000020001800041245003200059245002200091260001500113260001600128260000900144300001500153300002500168300001000193440001900203500000800222170705s9999 xx 000 0 und d a9780516240275 aWhat is a wheel and axle? / cLloyd G. Douglas. aNew York : bScholastic, c2002 a24 pages : bcolor illustration ; c19cm. aWelcome books. a290