TY  - BOOK
AU  - Freestone,V.M.
AU  - Sivapakianathan,K.
ED  - Malaysia.
TI  - Graphical recorders instruction for chart changing and annotation
PY  - 1976///
CY  - Kuala Lumpur
PB  - Publications Unit, Ministry of Agriculture
KW  - Hydrology
KW  - Malaysia
ER  -