@book{178465,
	author = {Spiegel, Murray R.},
	title = {Schaum's outline of theory and problems of vector analysis and an introduction to tensor analysis /},
	publisher = {McGraw-Hill,},
	year = {c1981},
	series = {Schaum's outline series},
	address = {New York :},
	edition = {SI (metric) ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0739/2002282198-b.html}
}