Bibliografía (19 obras)
Biology
2017
Tiere der Wildnis
2016
El mito de una riqueza proverbial
2015
The lanthanides
2007
e.encyclopedia animal
Ocean
2006
Elements
2005
Boron
Manganese
Rivers and Lakes (Biomes Atlases)
2003
Biomes Atlases
Wetlands
2002
Rivers, Lakes, Streams, and Ponds
Insects and Spiders of the World
Genetics (Science Fact Files)
2001
Copper
2000
Sulfur
Phosphorus
