Text this: Single-stage and cascade design of high order multiplierless linear phase FIR filters using genetic algorithm

 __   _      ___      ____     __   __    ______  
| || | ||   / _ \\   |  _ \\   \ \\/ //  /_____// 
| '--' ||  / //\ \\  | |_| ||   \ ` //   `____ `  
| .--. || |  ___  || | .  //     | ||    /___//   
|_|| |_|| |_||  |_|| |_|\_\\     |_||    `__ `    
`-`  `-`  `-`   `-`  `-` --`     `-`'    /_//     
                                         `-`