Cañón T7 155 mm (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cañón T7 155 mm" in Spanish language version.

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Hunnicutt, Richard P. (1988). Firepower: A History of the American Heavy Tank. Brattleboro, Vermont: Echo Point Books & Media. p. 228. ISBN 978-0891413042.
Hunnicutt, Richard P. (1988). Firepower: A History of the American Heavy Tank. Brattleboro, Vermont: Echo Point Books & Media. p. 88. ISBN 978-0891413042.
Hunnicutt, Richard P. (1988). Firepower: A History of the American Heavy Tank. Brattleboro, Vermont: Echo Point Books & Media. p. 224-225. ISBN 978-0891413042.