1 “...Foreword from Arogyaswami Paulraj, Professor (Emeritus), Stanford University (USA) * The first book...”

2 “...According to the late Professor Emeritus Seitaro Tsuboi,l the word 'hydrothermal' was used as early...”

3 “... they must explain the benefits of consuming their cultural product." Dr Bonita M. Kolb Professor Emeritus...”