TY - JOUR AU - G. Curto AU - R. Mignani AU - Rosalba Perna AU - G. Israel BT - Astronomy and Astrophysics DA - Jan-10-2007 DO - 10.1051/0004-6361:20077547 PY - 2007 SP - 539 EP - 543 T2 - Astronomy and Astrophysics TI - Deep VLT infrared observations of X-ray dim isolated neutron stars VL - 473 SN - 0004-6361 ER -