00469nam a22001457a 4500008004100000040005500041080001600096100002500112245008400137260005100221300001000272650001200282942001200294999001700306240906b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 001.5bK0  aBlake, Ralph M 9670  aTheories of scientific method: bThe renaissance through the nineteenth century  aWashington: bUniversity of Washington, c1960  a346p.  aScience  2udccBK  c66468d66468