Tubyansky, Frenkel — LMZ High-Pressure Steam Turbines: Design and Maintenance The book *LMZ High-Pressure Steam Turbines: Design and Maintenance* by Tubyansky and Frenkel covers the operation of a standardized series of high-pressure steam turbines and the AP-25-2 normal-pressure turbine designed by the Leningrad Order of Lenin Metal Works (LMZ). It ...