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 |
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| Relation-Seed/Farm, 1987 |
Relation-Quality, 1981 |
Relation-Quality, 1989 |
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| Relation-Quality, 1981 |
Relation-Plant, 1989 |
Relation-Future 2014, 1985 |
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 |
 |
| Pyramid of Time, 1986 |
House of Time, 1985 |
Relation-Seed(soybean), 1986 |
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 |
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| Relation-Seed(eggplant), 1986 |
Relation-Seed,Soil,Water,Air, 1986-1989 |
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