NELSON, E. B. Well cementing#Editor Erik B. Nelson. Schlumberger Educational Services.
Čikaški stil citiranja (17. izdanje)NELSON, Erik B. Well Cementing#Editor Erik B. Nelson. Schlumberger Educational Services.
MLA način citiranja (8. izdanje)NELSON, Erik B. Well Cementing#Editor Erik B. Nelson. Schlumberger Educational Services.
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