TY  - BOOK
AU  - Ladd, M. F. C.
AU  - Palmer, R. A.
TI  - THEORY AND PRACTICE OF DIRECT METHODS IN CRYSTALLOGRAPHY
U1  - 548.7 
PY  - 1980///
CY  - New York
PB  - Plenum
KW  - Crystallography -- Methodology
KW  - Crystallography, Mathematical
ER  -