TY  - BOOK
AU  - John.
AU  - Kippley, Sheila.
TI  - The Art of Natural Family Planning
U1  - 241.63 
PY  - 1975///
CY  - Cincinnati, OH.
PB  - The Couple to Couple League International
KW  - Natural family planning
N1  - Bibliography: p. 199-214
ER  -