TY  - BOOK
AU  - Hartnett W E Ed.
ED  - George H Hudson Symposium on Systems (8th:1975:Plattsburgh)
ED  - 
TI  - Systems; approaches, theories, applications: proceedings
U1  - 3 
PY  - 1977///
CY  - Dordrecht
PB  - D Reidel
KW  - Systems
ER  -