2010, Direct hydrothermal synthesis of hierarchically porous siliceous zeolite by using alkoxysilylated nonionic surfactant.

Mukti RR, Hirahara H, Sugawara A, Shimojima A, Okubo T.

Langmuir. 2010 Feb 16;26(4):2731-5. doi: 10.1021/la902764s

https://www.ncbi.nlm.nih.gov/pubmed/19817366