TY - BOOK ID - 136660179 TI - Specifications for the microfilming of books and pamphlets in the Library of Congress PY - 1973 SN - 084440098X PB - Washington (D.C.): Library of Congress DB - UniCat KW - Books on microfilm KW - Micrographics KW - Microphotography KW - Specifications KW - Library of Congress. UR - https://www.unicat.be/uniCat?func=search&query=sysid:136660179 AB - ER -