1. |
Phosphorus
|
LC Classification (LCC)
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ClassNumber Topic |
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TD758.5.P56 |
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Technology--Environmental technology. Sanitary engineering--Sewage collection and disposal systems. Sewerage--Sewage disposal systems--Treatment, purification, etc.--Removal of specific chemical elements, compounds, etc., A-Z--Phosphorus ; Phosphorus--Sewage treatment |