Lincoln (Neb.) Firemens & Policemens Retirement System invested $8 million in the Calvert Income Fund, a corporate fixed-income mutual fund, said Paul Lutomski, pension officer. Funding comes from the sale of fixed income. Officials at the $135 million pension plan think "corporate bonds are a good value, he said. The funds asset allocation is 30% equity and 70% fixed income. It did not use a consultant.