@book{11672,
	author = {Berry, J. S.  and Graham, E. },
	title = {Mechanics 2 /},
	publisher = {Hodder & Stoughton,},
	year = {1998.},
	series = {MEI structured mathematics},
	address = {London : },
	note = {Answers to selected exercises: p. 136-137.}
}