@book{73141,
	title = {British Standard: Rubber latices. Part 3. Methods of test. Section 3.13. Determination of sludge content of natural rubber latices (ISO title: Natural rubber latex- Determination of sludge content)},
	series = {British Standards},
	address = {London},
	note = {Standard number: BS 6057: Part 3: Section 3.13 ISO 2005-1974}
}