TY  - BOOK
ED  - Rothamsted Experimental Station. Harpenden, Herts, England,
TI  - Report, 19 -1987
U1  - 630.72 
PY  - 0000///191987///
CY  - Harpenden
PB  - (s.e.)
KW  - Agricultura
KW  - Investigacion
KW  - Gran Bretana
N1  - c.c. AFRC Institute of Arable Crops Research, Harpenden, Hertfordashire, England, 1988-; La biblioteca tiene : 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
ER  -