@book{3669,
	author = {Niu, Chunyun},
	title = {Airframe structural design :},
	publisher = {Conmilit Press Ltd.,},
	year = {1999},
	series = {Michael C.Y. Niu's airframe book series},
	address = {Hong Kong :},
	edition = {2nd ed.},
	url = {https://app.knovel.com/hotlink/toc/id:kpASDPDID1/airframe-structural-design/airframe-structural-design}
}