TY  - BOOK
AU  - Machin, P.A.
AU  - Campbell, J.W.
AU  - Elder, M.
TI  - Refinement of protein structures: Proc. of the daresbury study ... /Comp. by P.A. Machin, J.W. Campbell and M. Elder
T2  - Daresbury Laboratory / SCI / R 16
U1  - 547.750442 
PY  - 1981///
CY  - Daresbury
PB  - DL
ER  -