Active defense of the corps

De-Lazari, A.Active defense of the corps: according to the experience of actions of the 25th Army Corps under Fridge in May and near Krasnik in July 1915-2nd ed., Additional.-Moskva: state.military.Publishing House of the People's Commissariat of Defense of the USSR, 1940. -144 p., 12 l.maps., schemes.: schemes., table .. - (military -historical library).-Bibliogr.In the tuning.Note .. - Sources: p.142..Electronic copy source: PB