http://book.klll.cc/ebooks/subject/20119.opds 2025-08-03T17:45:03Z Books about Projectiles (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-03T17:45:03Z https://book.klll.cc/ebooks/33535.opds The Development of Armor-piercing Shells (With Suggestions for Their Improvement) Carlos De Zafra