00308nam a2200121Ia 4500008004100000082001500041100002100056245003100077260004300108300001100151942000700162999001700169190709s9999    xx            000 0 und d  a516.83 W37  aWeatherburn, C E 0aElementary vector analysis  aLondonbEnglish Language Book Soc1921  axi,181  cBK  c36210d36210