https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1992.-pa130-extraction-of-mineral-oil-and-natural-gas/459744
Report on the Census of Production for 1992. PA130 Extraction of mineral oil and natural gas - LSE...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1980.-pa130-extraction-of-mineral-oil-and-natural-gas/444432
Report on the Census of Production for 1980. PA130 Extraction of mineral oil and natural gas - LSE...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1990.-pa130-extraction-of-mineral-oil-and-natural-gas/503972
Report on the Census of Production for 1990. PA130 Extraction of mineral oil and natural gas - LSE...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1991.-pa130-extraction-of-mineral-oil-and-natural-gas/458273
Report on the Census of Production for 1991. PA130 Extraction of mineral oil and natural gas - LSE...