@book{9991,
	author = {Abdus Salam,  and Fayyazuddin, and Radio Pakistan.},
	title = {Symmetry concepts in modern physics /},
	publisher = {Atomic Energy Centre,},
	year = {1966.},
	address = {Lahore :},
	note = {"Essentially the Iqbal memorial lectures delivered ... on Radio Pakistan in March 1965."}
}