TY  - BOOK
AU  - "Sarknen, K.V. & Ludwig, C.H."
TI  - "Lignins :Occurances, Formation sturcture and reactions"
U1  - 547.992.3   L1 
PY  - 0000///New York
CY  - 1971
PB  - Wiley Intersceicne
ER  -