date 1982 publication_date QS:P577,+1982-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1982/3595 PDF: http://www.legislation.gov.uk/eur...
+1981-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1981/3595 PDF: http://www.legislation.gov.uk/eur/1981/3595/pdfs/eur_19813595_adopted_en.pdf...
+1984-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1984/3595 PDF: http://www.legislation.gov.uk/eur/1984/3595/pdfs/eur_19843595_adopted_en.pdf...
date 1982 publication_date QS:P577,+1982-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1982/3385 PDF: http://www.legislation.gov.uk/eur...
+1983-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1983/3595 PDF: http://www.legislation.gov.uk/eur/1983/3595/pdfs/eur_19833595_adopted_en.pdf...
+1984-00-00T00:00:00Z/9 Source http://www.legislation.gov.uk/id/eur/1984/3534 PDF: http://www.legislation.gov.uk/eur/1984/3534/pdfs/eur_19843534_adopted_en.pdf...
1046651886 Source Internet Archive identifier: indexcatalogue00brinrich https://archive.org/download/indexcatalogue00brinrich/indexcatalogue00brinrich.pdf...
study on the aromaticity and magnetic properties of N-confused porphyrins.pdf English: Tuersun, Maimaitijiang; Kerim, Ablikim (2020). "A study on the aromaticity...
1041607766 Source Internet Archive identifier: cataloguedescoll00bouv https://archive.org/download/cataloguedescoll00bouv/cataloguedescoll00bouv.pdf...
ddd_010518668_mpeg21 Source Internet Archive identifier: ddd_010518668_mpeg21 https://archive.org/download/ddd_010518668_mpeg21/ddd_010518668_mpeg21.pdf...