000
00269nam a22001097a 4500
082
_a
001.4
_b
BAR.M
100
_a
Barzun, Jacques
_a
Henry F Graff
245
_a
Modern researcher /
250
_a
3
260
_a
New York :
_b
Harcourt brace jovanovich,
_c
1977.
942
_c
BK
999
_c
501583
_d
501583