"German Warplanes of World War II" by Francis K. Mason. Temple Press-Newnes Books Ltd. 84/88 The Centre, Feltham Middlesex TW13 4BH, United Kingdom
added04 Jun 10:05
According other source: <b>Bf.110C-4/B</b>; 9./ZG 26 unit was among the first units to operate in the Mediterranean, being based at Palermo at the end of 1940.