TY  - BOOK
AU  - Hayward,M.D.
AU  - Romagosa,I.
AU  - Bosemark,N.O.
TI  - Plant breeding: principles and prospects 
SN  - 0412433907
AV  - SB123 .P547 1993
PY  - 1993///
CY  - London, New York
PB  - Chapman & Hall
KW  - Plant breeding
KW  - Plant genetics
UR  - http://www.loc.gov/catdir/enhancements/fy0821/92042654-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0821/92042654-t.html
ER  -