00453nam a2200157Ia 4500008004100000082001400041100001800055245002700073260004100100300000800141650001800149653001100167942001200178999001500190952009000205170901s1935    xx            000 0 und d  a509bR25R  aReason, H. A. 0aRoad to Modern Science  aLondonbG. Bell and Sons, Ltd.c1935  a306  aPure Sciences  aSience  2ddccBK  c4514d4514  00102ddc4070aRAUbRAUd2017-10-18l0o509 R25Rp44027r2017-10-18w2017-10-18yBK