00386nam a2200133Ia 450000500170000000800410001708200120005810000200007024500410009025000230013126000480015430000080020265000420021020240821151629.0240821s9999||||xx |||||||||||||| ||und||  a510 EIC  aMartin, Emerson 0aElementary school mathematics primer  aEicholz, Robert E.  aMassachusettsbAddison-Wesley Pub. Coc1965  a96p  aMathematics (Elementary)Elementary sc