00386nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400190010810000150012724500240014226000390016630000090020536500140021420250508150245.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a507, SUMqFEDL  aSumner W L 0aTeaching of science  aOxford, UK bBasil Blackwellc1947  a194p  aINRb6.16