TY  - GEN
TY  - GEN
T1  - The third nationwide outdoor recreation plan. Appendix 1, Survey summary
LA  - eng
PP  - Washington, D.C.
PB  - U.S. Government Printing Office
YR  - 1979
UL  - https://kansalliskirjasto.finna.fi/Record/vaari.1766286
ER  -