Analysis of information sources in references of the Wikipedia article "تسخیر سلسله سونگ توسط مغول" in Persian language version.
overthrown, as we shall see—since the final counter-offensive launched by the Chinese against their Mongol overlords of the Yuan dynasty is a story in which artillery features significantly. By 1259 at least, if not earlier during the first Mongol invasions, the Chinese were using tubes that shot bullets. The t'u huo ch'iang ("rushing- forth fire- gun") was a long bamboo tube into which bullets in the true sense (tzu-k'o)
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: نگهداری یادکرد:عنوان آرشیو به جای عنوان (link){{cite book}}
: نگهداری یادکرد:ربات:وضعیت نامعلوم پیوند اصلی (link)