TY  - BOOK
AU  - Lachance,G.R.
TI  - A simple method for converting measured x-ray intensities into mass composition / 
PY  - 1964///
CY  - Ottawa : 
PB  - Department of Mines and Technical Surveys, 
KW  - X-rays
KW  - Mathematical models
N1  -  Includes bibliographical references
ER  -