TY  - BOOK
AU  - Wormald, John
AU  - 
TI  - Diffraction methods
U1  - 54:535.42 
PY  - 1973///
CY  - London
PB  - Oxford University
KW  - Chemical engineering
KW  - Biotechnology
KW  - Chemical technology
N1  -  bib.p.94-97
ER  -