00516nam a2200241Ia 450000500170000000800460001702000140006303700070007704000080008404000080009204000080010004100080010804100080011608400150012408400080013910000180014724500480016524500180021326000110023126000140024226000090025630000090026520260401122224.0008  250103s9999    xx            000 0 eng d  a415314542  aTB  aEDL  beng  cEDL  2eng  aeng  a291.24 DOU  qEDL  aDouglas, Mary 0aNatural Symbols:  Explorations in Cosmology 0cDouglas, Mary  aLondon  bRoutledge  c1996  a194p