в разработке!

If you can't find the PDF, I can provide a general guide to the topics typically covered in an industrial instrumentation textbook like K. Krishnaswamy's:

Krishnaswamy Pdf — Industrial Instrumentation K.

If you can't find the PDF, I can provide a general guide to the topics typically covered in an industrial instrumentation textbook like K. Krishnaswamy's:

ZXPRESS •	ZXART •
ZXTUNES •	ZX Spectrum Old Demos •
Virtual TR-DOS •	World of Spectrum •