TY  - BOOK
AU  - Ladd M F C Ed.
AU  -  Palmer R A Ed.
TI  - Theory and practice of direct methods in crystallography
U1  - E:831, M0 
PY  - 1980///
CY  - New York    
PB  -  Plenum Press       
KW  -  Crystallography
KW  - Crystallography
ER  -