Zimmermann, Christa-Maria
Bindlac
Loewe Verlag
1999
3785532296
Lord, Walter
Bucureşti
Corint
2013
9789731357645
Discovery Channel
2007
2008
White, Ellen Emerson
New York
Scholastic
1998
590962736
Shipton, Paul
Harlow
Pearson Education Limited
2001
582438373
Gardiner, Robin
[München]
Goldmann Verlag
[1997]
3442126878
Ward, Christopher
Allfa
2012
9789737244000
Ballard, Robert D.
Washington D. C.
National Geographic Society
2004
792272889
Pellegrino, Charles
McGraw-Hill Publishing Company
1988
70492808