rr-comp-PC_World (1983 ) - (1984 )
1983 :
X
X
X
X
X
X
X
X
X
X
X
X
1984:
X
X
X
X
X
X
X
X
X
X
X
83: V1-10, 3-12
83+84: Review
84: 1-2, 4-7, 8-12 (v8)