University of Guyana Library

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Laak, Rein

Wastewater engineering design for unsewered areas/ Rein Laak. - Ann Arbor, Mich. :Ann Arbor Science Pub., 1980. - xi,179p. :ill., diagrs.

Includes bibliographies.

ISBN: 0-250-40373-0

LC Class. No.: TD658 L 33