what does "AFTA"here mean?
For me, the most intriguing aspect is Erwin Schrodinger. Walter Moore, his biographer, quotes this passage from AFTA as giving a realistic picture of that section of the front between Austria and Italy where Schrodinger served as an officer in a gun battery during the years 1915-16, until his permanent transfer out of combat to Vienna in the spring of 1917:

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We can't know this.  It's a book or text. Its full name should appear earlier in your text.

لا تفوّت فرصة تعلّم لغة جديدة وأنت مرتاح في منزلك. تصفّح مجموعتنا المختارة من مدرّسي اللغات ذوي الخبرة وسجّل في درسك الأول الآن!