Well, I combed through all of the abandonware-sites I could find that doesn't demand a download of dialup-program, and this game was NOWHERE to find, just like I said. I searched some sites too for ordering and/or byuing games, with same result. Seems this game is lost for the future...
By the way, if you are interested, I have the shareware version of the game, it's approximately 4 MEGs large (uncompressed).