Koucky, John. "Material Benefits." Gear Solutions May 2003: 14-23.
"FY 1989 update to the Information Resources Management review plan: FY 1989--FY 1991 cycle". 1989-11-01. doi:10.2172/5259547. OSTI 5259547. {{cite journal}}: Cite journal requires |journal= (help) https://dx.doi.org/10.2172/5259547
Koucky, John. "Material Benefits." Gear Solutions May 2003: 14-23.