PCAD - Link: John V. “Jack” Christiansen, Concrete Thin-Shell Pioneer, Dies at 89

Accessed at URL:

Accessed at URL:

http://www.monolithic.org/news-feed/jack-christiansen-obituary

Originally accessed:

Originally accessed:

2017-10-24

Organization:

Organization:

Monolithic.org

Associated with:

Associated With:

John Valdemar Christiansen