TY  - BOOK
AU  - Smythe, William R.
AU  - xx, 686 p.
AU  - Johnson, Lynwood A.
AU  - Title
TI  - Improving your written English: how to ensure your grammar, punctuation and spelling are up to scratch
SN  - 66023373
PY  - 1966///
CY  - Englewood Cliffs, N.J
PB  - Prentice-Hall
KW  - Linear programming
N1  - Includes bibliographical
ER  -