
    432 A.2d 247
    Commonwealth v. Hammaker, Appellant.
    Petition for Allowance of Appeal Denied Aug. 10, 1981.
    Submitted March 21, 1980.
    Kevin H. Way, Assistant Public Defender, for appellant; William S. Kieser, District Attorney, for Commonwealth, appellee.
    Before PRICE, CAVANAUGH and WATKINS, JJ.
   Judgment of sentence is affirmed on the comprehensive opinion of Judge Greevy.  