TY  - BOOK
AU  - Vannotti,Alfred
TI  - Porphyrins, their biological and chemical importance / 
U1  - 612.01531 VAN 
PY  - 1954///
CY  - London : 
PB  - Hilger & Watts, Hilger Division , 
KW  - Porphyrin and porphyrin compounds
ER  -