C. A. 8th Cir. [Certiorari granted, 420 U. S. 1003.] Motion of Data Products Corp. for leave to participate in oral argument as amicus curiae denied.
C. A. 8th Cir. [Certiorari granted, 420 U. S. 1003.] Motion of Data Products Corp. for leave to participate in oral argument as amicus curiae denied.