Strakosch, G. R. (1967). Vertical transportation: Elevators and escalators. John Wiley.
Chicago-čujuhus (17. p.)Strakosch, George R. Vertical Transportation: Elevators and Escalators. Nueva York: John Wiley, 1967.
MLA-čujuhus (9. p.)Strakosch, George R. Vertical Transportation: Elevators and Escalators. John Wiley, 1967.
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