000
00241 a2200109 4500
005
20220625081850.0
022
_a
00219673
245
_a
Journal of Chromatography
260
_a
Amsterdam
_b
Elsevier
_c
1969
490
_v
Vol. 40
942
_2
lcc
_c
CR
999
_c
31897
_d
31897