Analysis of information sources in references of the Wikipedia article "Gunpowder" in English language version.
{{cite journal}}
: CS1 maint: DOI inactive as of November 2024 (link) citing Papliński, A; Surma, Z; Dębski, A (2009). "Teoretyczna i eksperymentalna analiza parametrów balistycznych prochu czarnego". Materiały Wysokoenergetyczne (in Polish). 1: 89–94.{{cite journal}}
: CS1 maint: DOI inactive as of November 2024 (link) citing Papliński, A; Surma, Z; Dębski, A (2009). "Teoretyczna i eksperymentalna analiza parametrów balistycznych prochu czarnego". Materiały Wysokoenergetyczne (in Polish). 1: 89–94.{{cite web}}
: Missing or empty |url=
(help) (Part 4 Archived 16 April 2012 at the Wayback Machine and Part 5 Archived 28 December 2019 at the Wayback Machine){{cite web}}
: Missing or empty |url=
(help) (Part 4 Archived 16 April 2012 at the Wayback Machine and Part 5 Archived 28 December 2019 at the Wayback Machine)