HAYKIN D. J., . (1951). SUBJECT HEADINGS: A PRACTICAL GUIDE. WASHINGTON: U. S. GOVERNENT PRINTING OFFICE.
HAYKIN DAVID JUDSON, . 1951. SUBJECT HEADINGS: A PRACTICAL GUIDE. WASHINGTON: U. S. GOVERNENT PRINTING OFFICE.
HAYKIN DAVID JUDSON, . SUBJECT HEADINGS: A PRACTICAL GUIDE. WASHINGTON: U. S. GOVERNENT PRINTING OFFICE. 1951.