https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1977.-pa349.1-ball-roller-plain-and-other-bearings/439075
Report on the Census of Production for 1977. PA349.1 Ball; roller; plain and other bearings - LSE...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1978.-pa349.2-precision-chains-and-other-mechanical-engineering/440991
Report on the Census of Production for 1978. PA349.2 Precision chains and other mechanical...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1974-and-75.-pa349.2-precision-chains-and-other-mechanical-engineering/435013
Report on the Census of Production for 1974 and 75. PA349.2 Precision chains and other mechanical...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1976.-pa349.1-ball-roller-plain-and-other-bearings/437169
Report on the Census of Production for 1976. PA349.1 Ball; roller; plain and other bearings - LSE...