000
00324nam a2200121Ia 4500
008
140113s9999 xx 000 0 und d
082
_a
631:614(082.2) L0
100
_a
"Blas�r, R.E."
245
_a
Agronomy and Health(ASA Special publication series no. 16)
260
_a
1969
_b
ASA
_c
U.S.A.
300
_a
59
942
_c
BK
999
_c
58338
_d
58338