A COMPARISON OF THE FREQUENCIES OF THE 1S-2S AND 2S-4P TRANSITIONS IN ATOMIC-HYDROGEN by Thompson, C, Woodman, G, Foot, C, Hannaford, P, Stacey, D, Woodgate, G

OBSERVATION OF THE 1S-2S TRANSITION IN ATOMIC-HYDROGEN IN AN ATOMIC-BEAM by Foot, C, Hannaford, P, Stacey, D, Thompson, C, Woodman, G, Baird, P, Swan, J, Woodgate, G