1. Seed-cum-fertilizer drills in India [C];VERMA,1986
2. The properties of pure aluminum [J];EDWARDS;Transactions of the American Electrochemical Society,1925
3. Nodular pitting of aluminum alloys [J];PORTER;Journal of Applied Chemistry,1953
4. Development and field evaluation of an animal drawn three row seed cum fertilizer drill cum two-row planter [C];SRIVASTAVA,1985
5. Measurement of irreversible potential as a metallurgical tool [J];BROWN;Transactions of the American Institute of Metallurgical Engineers,1941