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 Collisional Excitation Rates of Formaldehyde (Green 1991)
    VI/51/table1oRotational Levels for ortho-H2CO (40 rows)
    VI/51/table1pRotational Levels for para-H2CO (41 rows)
    VI/51/orthoRate constants for ortho-H2CO (Table 3) (780 rows)
    VI/51/paraRate constants for para-H2CO (Table 2) (820 rows)

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