TY  - BOOK
AU  - Naumann-Etienne, K.
AU  - Khan, Muhammad Bismillah
AU  - Malik, Nasrulla Jan
AU  - Sahibzada, M. Ashraf
AU  - Tariq, Abdul Hamid
TI  - Guidelines for seed potato production in Pakistan-plains
PY  - 1992///
CY  - Islamabad
PB  - Pakistan-Swiss Potato Development Project
ER  -