620.17
624.182
See also:
↑ 624.182 metal structures: iron, steel, aluminium → 620.16 620.17 669 693.7
620.16 620.17 669 693.7
SciGator: explore University of Pavia libraries... — <http://scigator.unipv.it/indexe.php> : 2017.02.14 - 2024.11.12 - « <http://www-dimat.unipv.it/biblio/dewey.php> : 2015.06.18 - 2017