Analysis of information sources in references of the Wikipedia article "Specific strength" in English language version.
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: CS1 maint: multiple names: authors list (link){{cite web}}
: CS1 maint: bot: original URL status unknown (link){{cite web}}
: CS1 maint: bot: original URL status unknown (link){{cite web}}
: CS1 maint: multiple names: authors list (link){{cite book}}
: CS1 maint: unfit URL (link)