Guzzetti, Cesar Emilio Evaluation of carboxymethylchitin for enhanced oil recovery [microform] / Cesar Emilio Guzzetti - Ann Arbor, Mich. : University Microfilms International , 1986 - 2 microfiches ; 11 x 15 cm. Thesis (D.Eng.)-Louisiana Tech. University, 1986 Subjects--Topical Terms: Chitin