This book deals with various systems of "numbers" that can be constructed by adding "imaginary units" to the real numbers. The complex numbers are a classical example of such a system. One of the most
Key Building Blocks via Enzyme-Mediated Synthesis, by Thomas Fischer and Jorg Pietruszka*Engineered Biosynthesis of Plant Polyketides: Structure-Based and Precursor-Directed Approach, by Ikuro Abe*Enz
