To read what Karl Marx said about alienated labour see:

www.marxists.org/archive/marx/works/1844/manuscripts/labour.htm

There is a good deal of information on the web about the development and history of the assembly line, particularly Henry Ford’s. See for example:

www.eyewitnesstohistory.com/ford.htm

An Employment Studies Quality of Working Life in the UK study can be found at: http://www.employment-studies.co.uk/resource/quality-working-life-uk