000
00384nam a2200193Ia 4500
008
240530s9999 xx 000 0 und d
082
_a
660.2
082
_b
RAO
100
_a
RAO B K
245
0
_a
REFINING PROCESS
250
_n
0
250
_n
1990
260
_b
OXFORD IBH
300
_a
428
365
_b
69
650
_a
CHEMICAL
942
_c
REF
950
_C
CHEMICAL
999
_c
191304
_d
191304