A-1050 Wien,Schwarzhorngasse 10/17, Austria. 
March 20, 1988. 
Lexington Books 
D.G. Heath and Company 
125 Spring Street 
Lexington, Mass. 02173 |j/S. 
Ref.: COPY RIGHT 
Dear Sirs, 
I am preparing the publication of a collection of my essays 
including two of them for which you hold, copy rights. 
I would be very much obliged to you for giving me permission 
to republish these essays ( they would be reset and not 
photo printed ). They are 
Technical Progress and Evolution. Research, Development 
afad Technological Innovation. Edited Devensffra Sahal.1980, 
Chapter 6, pp.131-141 • 
Technology and the Economy: The Case of Falling Productivity 
Growth in the 1970a. She Transfer and Utilisation of 
Technical Knowledge. Ed.Devendra Sahal. 1982. Ch.1 pp.5-13. 
I therefore would like to ask you to give me 
non-euclusive world rights for the use of this material 
in the book of ray essays and in future editions and 
revisions thereof. 
Yours sincerely, 
Josef Steindl