TY  - BOOK
AU  - Nelson,Carl Erwin
TI  - Modern drafting techniques for quality microreproductions
PY  - 1971///
CY  - Silver Spring, Md.
PB  - National Microform Association
KW  - Drawing
KW  - Room practice
KW  - Microphotography
N1  - Includes bibliographical references (p. 31-35) and index
ER  -