TY  - GEN
AU  - Velde,Theodoor H.van de
TI  - Ideal marriage: Its physiology and technique 
AV  - HQ21  
PY  - 1971///
CY  - Manchester
PB  - William Heinemann Medical Books
KW  - Hygiene Sexual
KW  - Marriage
N1  - Includes index
ER  -