Lawrence Bragg, William.
The Royal Institution Library of Science: Physical Sciences / - 1st ed / - England : Elsevier Publishing Company Ltd.. - p.549 :
BZ`N39 / L0.2
The Royal Institution Library of Science: Physical Sciences / - 1st ed / - England : Elsevier Publishing Company Ltd.. - p.549 :
BZ`N39 / L0.2