Tohutoro APA (7th ed.)
Kohl, A. L., & Nielsen, R. (1997). Gas purification (5th ed.). Gulf Pub..
Tohutoru Kātū Chicago (17th ed.)
Kohl, Arthur L., me Richard Nielsen. Gas Purification. 5th ed. Houston, Tex.: Gulf Pub., 1997.
Tohutoro MLA (9th ed.)
Kohl, Arthur L., me Richard Nielsen. Gas Purification. 5th ed. Gulf Pub., 1997.
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