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_c68443 _d68443 |
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| 082 |
_aNB0363 _bASTM |
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| 100 |
_aASTM International _985468 |
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| 245 | _aD7897-18 : standard practice for laboratory soiling and weathering of roofing materials to simulate effects of natural exposure on solar reflectance and thermal emittance | ||
| 260 |
_bASTM International _c2020 _aUnited State |
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| 300 | _apdf. file | ||
| 890 | _aUSA | ||
| 891 | _aFT | ||
| 942 | _2ddc | ||