TY  - BOOK
AU  - Louwaars,N.P.
AU  - Marrewijk,G.A.M.
TI  - Seed supply systems in developing countries
SN  - 9290811471
PY  - 1997///]
CY  - Wageningen
PB  - Technical Centre for Agricultural and Rural Co-operation
KW  - Seeds
KW  - Developing countries
ER  -