Referencias

Let´s go Europe Frommer`s Travelguide Rick Steve´s 2 to 22 days in Austria Switzerland and Germany; Best of Europe

Internet:

www.ricksteves.com www.tiscover.at www.hostelworld.com www.placestostay.com

K and T Boardinghouse,Vienna

Hotels, Guesthouse and Bed & Breakfast Bed & Breakfast, B&B

Russia:

http://www.fortuna-travel.ru/html/rubeg/kt.shtml