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Etude de quelques matériaux argileux du site de Lembo (Cameroun ...

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Intro<strong>du</strong>ction<br />

[2] NJOPWOUO D., ROQUES G., WANDJI R., A contribution to the study of the catalytic<br />

action of clays on the polymerisation of styrene: I Characterization of polystyrenes. Clay<br />

Minerals, 1987, vol. 22, p. 145-156.<br />

[3] NJOPWOUO D., ROQUES G., WANDJI R., A contribution to the study of the catalytic<br />

action of clays on the polymerisation of styrene: Reaction mechanism, Clay Minerals, 1988,<br />

vol. 23, p. 35-43.<br />

[4] KAMGA R., NGUETNKAM J. P., VILLIERAS F., Caractérisation <strong>de</strong>s argiles <strong>du</strong> Nord<br />

<strong>Cameroun</strong> en vue <strong>de</strong> leur utilisation dans la décoloration <strong>de</strong>s huiles végétales. Yaoundé: Actes<br />

<strong>de</strong> la première conférence sur la valorisation <strong>de</strong>s <strong>matériaux</strong> <strong>argileux</strong> au <strong>Cameroun</strong> / ed. by C.<br />

NKOUMBOU, D. NJOPWOUO, 2001, p. 247-257.<br />

[5] ELIMBI A., NJOPWOUO D., PIALY P., WANDJI R., Propriétés <strong>de</strong>s pro<strong>du</strong>its <strong>de</strong> cuisson<br />

<strong>de</strong> <strong>de</strong>ux argiles kaolinitiques <strong>de</strong> l’ouest <strong>du</strong> <strong>Cameroun</strong>. Silicates In<strong>du</strong>striels, 2001, vol. 66, n°9-<br />

10, p. 121-125.<br />

[6] ELIMBI A., NJOPWOUO D., Firing characteristics of ceramics from the Bomkoul<br />

kaolinitic clay <strong>de</strong>posit (<strong>Cameroun</strong>). Tile & Brick International, 2002, vol. 18, p. 364-369.<br />

[7] NGUETNKAM J. P., Les argiles <strong>de</strong>s vertisols et <strong>de</strong>s sols fersiallitiques <strong>de</strong> l’Extrême-Nord<br />

<strong>du</strong> <strong>Cameroun</strong> : genèse, propriétés cristallochimiques et texturales, typologie et applications à<br />

la décoloration <strong>de</strong>s huiles végétales. Thèse <strong>de</strong> doctorat d’État <strong>de</strong> l’Université <strong>de</strong> Yaoundé I,<br />

2004.<br />

[8] NKOUMBOU C., NJOPWOUO D., VILLIÉRAS F., NJOYA A., YONTA NGOUNÉ C.,<br />

NGO NDJOCK L., TCHOUA F., YVON J., Talc indices from Boumnyebel (Centre-<br />

Cameroon), physico-chemical characteristics and geochemistry. Journal of the African Earth<br />

Sciences, 2006, vol. 45, p. 61-73.<br />

[9] NJOYA A., NKOUMBOU C., GROSBOIS C., NJOPWOUO D., NJOYA D., COURTIN-<br />

NOMADE A., YVON J., MARTIN F., Genesis of Mayouom kaolin <strong>de</strong>posit (Western<br />

Cameroon). Applied Clay Science, 2006, vol. 32, p. 125-140.<br />

[10] DJANGANG C. N., ELIMBI A., MELO U. C., LECOMTE G. L., NKOUMBOU C.,<br />

SORO J., BONNET J. P., BLANCHART P., NJOPWOUO D., Sintering of clay-chamotte<br />

ceramic compo<strong>site</strong>s for refractory bricks. Ceramics International, 2008, vol. 34, p. 1207-1213.<br />

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