APA-čujuhus (7. p.)
Housel, W. S. (1937). Internal Stability of granular materials.
Chicago-čujuhus (17. p.)
Housel, William S. Internal Stability of Granular Materials. Ann Arbor, 1937.
MLA-čujuhus (9. p.)
Housel, William S. Internal Stability of Granular Materials. 1937.
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