Herbert Engel (Engel, Herbert)

English

• 
  Handbook of Creative Learning Exercises
  by Herbert Engel
  Softcover, Crm Films, ISBN 0874252393 (0-87425-239-3)

  More editions of Handbook of Creative Learning Exercises:

  • Handbook of Creative Learning Exercises: Hardcover, Gulf Pub Co, ISBN 0872011623 (0-87201-162-3)

German

• 
  Deponiegasverbrennung in Fackeln
  by Herbert Engel
  Hardcover, E. Schmidt, ISBN 3503029400 (3-503-02940-0)