TY  - BOOK
AU  - McDonald,M.B.
AU  - Copeland,L.O.
TI  - Seed production: principles and practices 
SN  - 8123906005
U1  - 631.521 23
PY  - 1998///
CY  - New Delhi
PB  - CBS Publidhers & Distributors
KW  - Seed technology
N1  - Includes bibliographical references and index
ER  -