20×82mm

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

1. 1.

   “20×82mm”, English Wikipedia, consulted as further reading

   reference work · Reputable secondary · Wikipedia

   Consult the source
2. 2.

   Wikidata, structured authority record Q28668929: 20×82mm

   authority record · Unverified · Wikidata

   Consult the source

Each of these records shares a confirmed fact with this one — the same workshop, publisher, movement, place of work or teacher.

• 38 cm Siegfried K (E)Terminology

  Shared: place

• Fritz XTerminology

  Shared: place

• OstwindTerminology

  Shared: place

• WespeTerminology

  Shared: place

• Butterfly BombTerminology

  Shared: place

• Heuschrecke 10Terminology

  Shared: place

• 5 cm FlaK 41Terminology

  Shared: place

• 8.8 cm SK C/30 gunTerminology

  Shared: place

• Karabiner 98kTerminology

  Shared: place

• 10.5 cm Leichtgeschütz 42Terminology

  Shared: place

• 7.92×33mm KurzTerminology

  Shared: place

• 40.6 cm SK C/34 gunTerminology

  Shared: place

6,095 published records in this field, each with its sources named.

• 20.3 cm SK C/34 gunTerminology
• 20.3 cm/45 Type 41 naval gunTerminology
• 20×110mm USNTerminology
• 20×138mmBTerminology
• 203 mm 50 caliber Pattern 1905Terminology
• 203 mm howitzer M1931 (B-4)Terminology
• 203 mm/45 caliber Pattern 1892 gunTerminology
• 203 mm/50 Modèle 1924 gunTerminology