Assertion: lignin's bond | /r/HasProperty | j. s.
Facets:
Source sentences:
text: Bond, J. S., Atalla, R. H., Agarwal, U. P., and Hunt, C. G. (1999).
text: Bond, J. S., Yu, X., Agarwal, U. P., Atalla, R. H., and Hunt, C. G. (2001).