TY  - BOOK
AU  - Skalle, Pal
TI  - Drilling fluid engineering
SN  - 9788740311396
PY  - 2015///
PB  - Bookboon.com
KW  - SOIL CONTENT ANALYSIS
UR  - http://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=2e9b86cd824a34c28a0f8fd211d9c698
ER  -