(Physica). [s.l.]: [s.n.].
Παραπομπή Chicago Style(Physica). [s.l.]: [s.n.].
MLA Citation(Physica). [s.l.]: [s.n.].
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(Physica). [s.l.]: [s.n.].
Παραπομπή Chicago Style(Physica). [s.l.]: [s.n.].
MLA Citation(Physica). [s.l.]: [s.n.].