TY  - BOOK
AU  - Libby,Roger W.
AU  - Whitehurst,Robert N.
TI  - Marriage and alternatives: exploring intimate relationships 
SN  - 067315050X
PY  - 1977///
CY  - Foresman, Glenview, Ill
PB  - Scott
KW  - Marriage
KW  - Unmarried couples
KW  - Sex customs
KW  - Group sex
N1  - Bibliography : p. 397-412
ER  -