The role of the environmental factors in the emergence of the Bronze Age tells in the North-Western of Romania - Molnár, Attila (Tracii şi lumea circumpontică. Congresul al IX-lea Internaţional de Tracologie. Thracians and circumpontic World. IX-th International Congress of Thracology. (Chişinău - Vadul lui Vodă, 6-11 sept. 2004.) Rezumate - Summaries., 2004)