1989 Vol. 9, No. 2

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1989, 9(2): 97-108. doi: 10.11883/1001-1455(1989)02-0097-12
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1989, 9(2): 109-119. doi: 10.11883/1001-1455(1989)02-0109-11
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1989, 9(2): 120-129. doi: 10.11883/1001-1455(1989)02-0120-10
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1989, 9(2): 130-136. doi: 10.11883/1001-1455(1989)02-0130-7
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1989, 9(2): 137-149. doi: 10.11883/1001-1455(1989)02-0137-13
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1989, 9(2): 150-156. doi: 10.11883/1001-1455(1989)02-0150-7
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1989, 9(2): 157-163. doi: 10.11883/1001-1455(1989)02-0157-7
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1989, 9(2): 164-169. doi: 10.11883/1001-1455(1989)02-0164-6
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1989, 9(2): 170-175. doi: 10.11883/1001-1455(1989)02-0170-6
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1989, 9(2): 176-181. doi: 10.11883/1001-1455(1989)02-0176-6
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1989, 9(2): 182-183. doi: 10.11883/1001-1455(1989)02-0182-2
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1989, 9(2): 184-190. doi: 10.11883/1001-1455(1989)02-0184-7
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