Looking for Shockley 1957 paper

[Frank Havemann]

Does anyone have a scanned PDF version of this Nobel price winner paper about 
publication analysis?

@article{shockley1957siv,
  title={{On the Statistics of Individual Variations of Productivity in 
Research Laboratories}},
  author={Shockley, W.},
  journal={Proceedings of the IRE},
  volume={45},
  number={3},
  pages={279--290},
  year={1957}
}

Thank you
Frank Havemann


***************************
Dr. Frank Havemann
Department of Library and Information Science
Humboldt University
Dorotheenstr. 26
D-10099 Berlin
Germany

tel.:  (0049) (030) 2093 4228
http://www.ib.hu-berlin.de/inf/havemann.html