Santos,, Sérgio Machado dos,, 1944- The design evaluation &=and control of lift systems / S. M. dos Santos, G. C. Barney

The design evaluation &=and control of lift systems / S. M. dos Santos, G. C. Barney . - Bolton : Lift Design Portnership, cop. 1974 . - 140 p., pag. var. : il. 30 cm
621.87