Törpin 13 D-17111 SAROW/Germany Tel. +49 152 33760052 e-mail: prof@pratzel.de internet: http://www.pratzel.de
map
Helmut G. Pratzel
M. D. habil. D. Sc. Diplom-Chemist  Akademic Director a. D.
Home My address Private Publisher Links Press reports I.S.M.H. My address