A Study on Chemical Structure and Reaction of Urea-formaldehyde Resin by 13C-NMR Spectrometry
HAN Shu-guang, WU Yu-fei
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2006, (05): 15 -20 .  DOI: 10.3969/j.jssn.1000-2006.2006.05.004