000
00247nam a22000977a 4500
003
OSt
100
_a
Kenneth, J.Roozen
245
_a
Isolation of Plasmids & Specific chromosomal segments from escherichia coli K-12
901
_a
RP1652
942
_2
ddc
_c
RP
999
_c
8464
_d
8464