Systematic work simplification .
Guardat en:
| OCLC: | 16635366 |
|---|---|
| Autor principal: | |
| Idioma: | English |
| Publicat: |
Printed in U.S.A.,
the author,
c1960.
|
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |