TY  - BOOK
AU  - Williamson, Jessie
TI  - Useful plants of Nyasaland: Jessie Williamson, edited by P.J. Greenway
U1  - 581.60968 
PY  - 1939///
CY  - Zomba
PB  - The Government Printer
KW  - Botany economic
ER  -