@book{21975,
	author = {Nyhoff, Larry R and Leestma, Sanford},
	title = {FORTRAN 77 for engineers and scientists :},
	publisher = {Prentice Hall,},
	year = { 1996},
	address = {Upper Saddle River, NJ.:},
	edition = {4th ed},
	note = {Includes indexes}
}