000
00255nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Sankaran
245
0
_a
Principles of agronomy
260
_b
B&P
260
_c
1997
365
_b
175
942
_c
BK
999
_c
220449
_d
220449