00397nam a22001217a 450000500170000000800410001702000140005805000170007210000140008924501020010326000450020530000250025020260410140201.0260410b        |||||||| |||| 00| 0 eng d  a052121151  aQC20.K4 1977  aN, Kemmer  aVector analysisbA physicist's guide to the mathematics of field in three dimensions /cN, Kemmer  aLondonbcambridge university pressc1977  axiv, 254p, ;illbhbk