TY  - BOOK
AU  - Gwinn,Nancy E.
ED  - Association of Research Libraries
TI  - Preservation microfilming: a guide for librarians and archivists 
SN  - 0838904815 :
U1  - 025.7 
PY  - 1987///
CY  - Chicago, Ill.
PB  - American Library Association
KW  - Preservation microfilming
N1  - Includes index; Bibliography : p. 188-196
ER  -