TY  - BOOK
AU  - Classification research
AU  - Atherton, Pauline., ed.
TI  - Proc ... International study conference on classification research, 2, Elsinore, Denmark, 14-16, September 1964
U1  - 025.4072 
PY  - 1965///
CY  - Copenhagen
PB  - Munksgaared
ER  -