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This profusely illustrated archive of more than 200 flowers, plants, and trees was compiled by Ernst and Johanna Lehner - two of the world's foremost ...
An environmental parable for our times - the story of a beautiful blue bird meeting its nemesis at the end of the 20th-century. In December 1897 ...
Polycyclic aromatic hydrocarbons (PAHs), or polyarenes, are one of the largest and most structurally diverse class of organic molecules known. High percentages of polyarenes, representing ...
A farmer cultivates genetically modified potatoes so that a customer at Mc Donald's half a world away can enjoy a long, golden french fry ...
One Hundred and ten species illustrated and described on a family basis. Keys and Guide for both the amateur and the practicising mycologist.