Willett, John Gas chromatography / by John Willett; edited by David Kealey - Singapore : John Wiley & Sons, 1991 - 253 p. : ill. ; 23 cm. - Analytical chemistry by open learning . ISBN: 9971510987 : RM26.69 Subjects--Topical Terms: Gas chromatography National Library of Medicine Call No.: QV310 / .W713g 1991 9