@inbook{inbook, title  = {{Hexagonal columnar phases in polymers}},

 publisher = {{Steinkopff}},

 url = {{https://doi.org/10.1007/bfb0115576 }},

 year = {{1992}},

 month = {{1}},

 author = {{Ungar G}},

 doi = {{10.1007/bfb0115576}},

 isbn = {{9783798509115}},

 pages = {{52-56}},

 note = {{Accessed on 2025/12/08}}}