Rabota posvyashchena voprosam kontsentrirovaniya i opredeleniya v razlichnykh ob"ektakh vitaminov (na primere vitamina V12 (tsianokobalamina)).

In over 30 chapters the approx. 50 internationally renowned authors give deeper insight into the prospering research activities around B12. This book is a must for everybody who works on vitamins and porphyrine-type systems.