000
00309nam a2200133Ia 4500
008
230108s9999 xx 000 0 und d
100
_a
Sankaran A.
245
0
_a
Text Book of Agri.chemistry Biomolecules
260
_b
B P P
260
_c
1974
365
_b
19.00
650
_a
Soil science
942
_c
BK
999
_c
242925
_d
242924