column
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1987, 8(3): 209-212.
1987, 8(3): 213-230.
1987, 8(3): 238-238.
1987, 8(3): 261-276.
1987, 8(3): 287-294.
1987, 8(3): 295-301.
1987, 8(3): 302-310.
1987, 8(3): 303-309.
1987, 8(3): 311-319.
1987, 8(3): 329-333.
1987, 8(3): 338-338.