media selection in advertising

yvesp (
Sun, 9 Nov 1997 03:04:33 +0100 (MET)

In 1978, Zimmermann published an essay on a fuzzy approach on media
selection in advertising. Does anybody know if ( and where ? ) he has come
back to the topic later ?
Does anybody know if he can be contacted in any way ?

Thanks in advance........ !!!

Yves Pelster or