The Billings method
Subtitle: controlling fertility without drugs or devices
By: Evelyn Billings & Ann Westmore.
Contributors: Westmore, Ann.
Edition: 1st American ed.
Publisher: Random House
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 254
Subjects: Natural family planning -- Ovulation method.
Notes: Bibliography: p. [230]-237.
Reprint. Originally published: Richmond, Victoria, Australia : A. O'Donovan, 1980.
Includes index.