00271nam a2200121 a 4500008004100000020001500041050001500056100002300071245002500094250001200119260000900131350000900140120416s1993    xx |||||||||||||| ||    u  a0748705643  aTF 420 Hom  aHomewood, Martin N10aAir break technology  a3rd ed.  c1993  a0.00