TY  - BOOK
AU  - Lean,Glendon A.
ED  - Papua New Guinea University of Technology. Department of Mathematics.
TI  - Counting systems of Papua New Guinea: research bibliography 
PY  - 1986///
CY  - Lae
PB  - PNG University of Technology
KW  - Numeration, Papua New Guinean
KW  - Bibliography
ER  -