00571pamaa2200181 4500 0000001945 20060814090000.0 082737948X 697.001 DEV TH7226 DEV 1998 DEVORE Practical problems in mathematics for heating and cooling technicians Russell Devore. 3rd ed. Albany: Delmar Pub., 1998. vii, 290p.: ill.; 24cm. Delmar's practical problems in mathematics series Heating -- Mathematics Air conditioning -- Mathematics