APA

Reinboth B., Cramer H. & Cramer H.New water based drilling mud system with double clay inhibition shows high performanc at drilling-sites in Germany. : .

Chicago

Reinboth Bernd, Cramer Hermann and Cramer Hermann.New water based drilling mud system with double clay inhibition shows high performanc at drilling-sites in Germany. : .

Harvard

Reinboth B., Cramer H. and Cramer H.New water based drilling mud system with double clay inhibition shows high performanc at drilling-sites in Germany. : .

MLA

Reinboth Bernd, Cramer Hermann and Cramer Hermann.: . .