00420     2200157   4500001002100000008003900021035002000060245006000080100001900140260002800159300002400187084001400211082000800225650001500233990001400248INLIS000000000005006                                   N    a0010-0317005004  aIntroductory modern mathematics for elementary teachers  aWeaver, Jay D.  bThe Science Pressc1965  axv, 239 hlm.c23 cm  a510 Wea i  a510  amatematika  a117647612