LINKS
SAE
SCHOOL
CSUN FSAE WEBSITE fsae.com
sae.com
CSUN
RESEARCH
-A good source for sandwich panel calculations and foam core products.  They make many differnt foam cores.
DIAB
Supplier of honeycomb and carbon fiber, also in their literature are specs and calculations
HEXCEL
- A great souce for information regarding many materials and their structure.
DEPT OF DEFENCE RECORDS
This site will give you almost any materials properties including alloys and carbon fibers. 
MATWEB
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