000
00245pam a2200097a 44500
082
_a
BTL
_b
MONO B-224
100
_a
Herbert E Ives
245
1
_a
Tone reproducatiuon in the halftone photo-engraving process
260
_a
_b
_c
997
_a
TR16439 C
999
_c
406344
_d
406344