00237nam a2200097Ia 4500008004100000082001600041100001500057245003100072260002400103300001200127240817s9999    xx            000 0 und d  a668.4058 J7  aMasks , H. 0aResing . Rubers . Plastics  c1957a IntbSe.N.Y.  a1144 p.