1. Tanning with Alkaline Glyoxal;Ludwig,1957
2. Modified Glutaraldehyde Tanning Agent and Preparation Method and Applications Thereof;Beijing,2013
3. A novel oxazolidine tanning agent and its use in vegetable combination tanning;Jing;J. Soc. Leather Technol. Chem.,2011
4. Cleaner chrome tanning - a non-pickling process using an aliphatic aldehyde as pre-tanning agent;Jian-Xun;J. Soc. Leather Technol. Chem.,2012