--am us  eng
++000    00000nam a2200000 a 4500
++020    |a047102984X
++090    |a530 WAL
++100 1  |aWalker, Jearl
++245 14 |aThe Flying Circus of Physics With Answers /|cJearl Walker
++250    |a2nd ed.
++260    |aNew York:|bWiley & Sons,|c1977.
++300    |a295 p.:|bill.;|c24 cm.
++690    |aPhysics_物理