1. NRCC No. 21312;Canadian Farm Building Code,1983
2. Lateral pressures in horizontal silos;Esmay;Agricultural Engineering. St Joseph, Michigan,1955
3. Design of above-ground horizontal silos;Esmay;Agricultural Engineering. St Joseph, MI.,1956
4. Design of above-ground horizontal silos;Esmay;Agricultural Engineering. St Joseph, MI.,1956
5. Pressure on walls in bunker silos;Young;South Dakota Farm Home Research,1957