Feldgrau.net

http://www.forum-militaria.com/forum/viewtopic.php?t=1279 from an italian forum; Location Krakau 1 / 12 /41 Wehrmacht , Reichsbahn, or ? The third men is an italian soldier, maybe serving in the hub for italian military post to/from Russia, or in a "helpdesk" for italians units transferrin...

some years ago it had an article on the local newspaper ("Il Piccolo") about this; students have found in a xy archive in Ljubljana some (hand)drawings of the base made by agents of the resistance mouvement.

Maybe I finf it (the article) in my chaos ...

From a "technical" view (maybe):

Isbuscensky was the late "organised" charge as part of a tactical act, according to the rules for the employ of mounted troops;

Poloj and Sicily were reactions to a contingent situation (any or very short timed planning).