00538nam a2200157Ia 450000500170000000800410001703500090005804100080006708200080007510000180008324500740010126000510017530000150022650501000024165000390034120260808125315.0260808s9999||||xx |||||||||||||| ||und||  a1506  aENG  a506  aNagel, Ernest 0aStructure of sciencebproblems in the logic of scientific explanation  aLondonbRoutledge and Kegan Paul Limitedc1961  axiii + 618  aPhilosophy of science, Scientific method, Science structure, Epistemology, Research methodology  aManagementbScience -- Periodicals