TY  - BOOK
AU  - Schulz G E
AU  -  Schirmer R H
TI  - Principles of protein structure
U1  - E92Z2:21, L9;1 
PY  - 1979///
CY  - New York    
PB  -  Springer-Verlag        
KW  -  Protein
KW  - Chemistry
ER  -