00338nam a2200121Ia 4500082001700000100002100017245006800038260003500106300001500141490005000156500000500206700000500211  a516bF584.DF  aFlanders, Harley  aDifferential forms with applications to the physical sciencesb  aNew YorkbAcademic Pressc1963  axiv, 203p.  aMathematics in Science and Engineeringv v.11  a  a