Longman, George Frederick. The analysis of detergents and detergent products / G. F. Longman. - London : John Wiley, c1975 [1976]. - various pages : illustrations ; 26 cm. Includes indexes. ISBN: 0471544574 LCCN: 75004649 Subjects--Topical Terms: Detergents--Analysis. Dewey Class. No.: 668.14 LON