C. A. 3d Cir. [Certio-rari granted, 471 U. S. 1002.] Motion of petitioners to dispense with printing the joint appendix granted and counsel shall file with the Clerk nine copies of the record that was before the United States Court of Appeals for the Third Circuit. Motion of the Solicitor General for leave to participate in oral argument as ami-cus curiae, for divided argument, and for additional time for oral argument denied.