00371nam a2200133Ia 450000500170000000800410001704100080005810000220006624500260008824500250011426400460013926400090018549000430019420251024100345.0251024s9999||||xx |||||||||||||| ||und||  ager  aPräkelt, Volker 0aVon der Natur lernen: 0bLearning from nature  bYOUA Edutainment und National Geographic   c2009  aNational Geographic World zum Hören!