TY - CPAPER AU - L. Ivanescu AU - M. M. Zamfirache TI - HISTO-ANATOMICAL CHANGES OF THE HORSE-CHESNUT’S LEAVES (AESCULUS HIPPOCASTANUM L.) UNDER THE INFLUENCE OF ATMOSPHERE POLLUTANTS T2 - 7th International Scientific Conference - SGEM2007 PY - 2007 PB - SGEM Scientific GeoConference ER -