Talk:PKP class SP47

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missing citations

there is no citations, most of informations in this article is coming from conversations with designers of those machines, not from books/interviews/internet articles. — Preceding unsigned comment added by 79.124.96.121 (talk) 11:22, 18 August 2012 (UTC)[reply]

Frankly, that is a lazy excuse for not adding proper citations to the article. One of the Five Pillars of Wikipedia states specifically "All articles must strive for verifiable accuracy, citing reliable, authoritative sources..." The information must have been written down somewhere before this article was created. WP:SOURCE has some information on what counts as a reliable source. If you need help finding sources, I'm sure we can find someone who can help search through a library... Slambo (Speak) 04:18, 23 December 2014 (UTC)[reply]