TY - BOOK AU - Billings,Evelyn AU - Westmore,Ann TI - The Billings method: controlling fertility without drugs or devices SN - 039452120X : AV - RG 136 .5 .B53 1980 .B53 1980 U1 - 613.9/434 19 PY - 1980/// CY - New York PB - Random House KW - Natural family planning KW - Ovulation method N1 - Reprint. Originally published: Richmond, Victoria, Australia : A. O'Donovan, 1980; Includes index; Bibliography: p. [230]-237 ER -