@book{543612,
	author = {Von Kármán, Theodore, and Biot, Maurice A.},
	title = {Mathematical methods in engineering;},
	publisher = {McGraw-Hill book company, inc.,},
	year = {1940.},
	address = {New York,},
	edition = {1st ed.},
	note = {"Answers to problems": p. 477-490.}
}