March 1991 Vol. 9, No. 7 8 1,515k March 1991 Vol. 9, No. 8 8 1,455k March 1991 Vol. 9, No. 9 8 1,361k March 1991 Vol. 9, No. 10 8 1,360k March 1991 Vol. 9, No. 11 8 1,534k March 1991 Vol. 9, No. 12 8 1,457k March 1991 Vol. 9, No. 13 8 1,409k
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March 1991 Vol. 9, No. 7 8 1,515k March 1991 Vol. 9, No. 8 8 1,455k March 1991 Vol. 9, No. 9 8 1,361k March 1991 Vol. 9, No. 10 8 1,360k March 1991 Vol. 9, No. 11 8 1,534k March 1991 Vol. 9, No. 12 8 1,457k March 1991 Vol. 9, No. 13 8 1,409k