@book{74531,
	author = {Powell, C.F. and Fowler, P.H. },
	title = {The Study of Elementary Particlies by the photographic Methud : an acount of the principal techniques and discoveries illustrated by an atlas photomicrographs },
	publisher = {Pargamon Press , },
	year = {1959},
	address = {London :},
	note = {Includes Index}
}