Hardcover
ISBN: 978-0-397-59032-2
ISBN-10: 0-397-59032-6
Phila./Toronto: J.B. LIPPINCOTT c · 1968
| See also (possibly by other authors): | ||
| 1970 | Hardcover | Progress in Conception Control 1969 |
| 1967 | Hardcover | Progress in Conception Control 1967 |
| 1966 | Hardcover | Progress in Conception Control 1966 |