TY  - BOOK
AU  - Purnell, John Howard.
TI  - Gas chromatography
AV  - QD79.C45 P87
U1  - 545.8 
PY  - 1962///]
CY  - New York
PB  - Wiley
KW  - Gas chromatography
N1  - Includes bibliographical references and index
ER  -