This is an interesting website relating to European Prehistory from the Czech Academy of Sciences, translated into English by Vit Lang (original text and illustrations by Libor Balák) about:
"Moravia, northern Austria and southern Poland, about 33,500 – 27,500 years ago (29,000 – 23,000 radiocarbon years before present). The era of the great European cultures of the Northern-type hunters."