@book{217,
	author = {Bell, Frank.},
	title = {Principles of Mechanics and Biomechanics/},
	publisher = {Stanley Thornes,},
	year = {1998.},
	address = {Cheltenham:},
	url = {https://books.google.com.pk/books?id=bPcPnZQ36KwC&printsec=frontcover&dq=9780748733323&hl=en&sa=X&ved=2ahUKEwiV5OXs8_v0AhWJecAKHSkxD_kQ6AF6BAgKEAI#v=onepage&q=9780748733323&f=false}
}