00393nam a2200145Ia 4500 171129s9999||||xx |||||||||||||| ||und|| eng. 539.7213 HUG Hughes, D.J. Neutron optics / by D.J. Hughes New York : Interscience, 1954 134p.; 21cm. Modern physics BK 0 0 0 0 RIEBR RIEBR GEN 2017-12-11 0 539.7213 HUG 147 2017-12-11 2017-12-11 BK 123 123