TY  - BOOK
AU  - Oberholzer, P.C.J.
TI  - The nature and control of clonal senility in commercial varieties of citrus in South Africa
U1  - 633.40968 
PY  - 0000///195 5
CY  - Pretoria
PB  - Faculty of Agriculture, University of Pretoria
KW  - Citrus fruits
KW  - Diseases and pests
KW  - Africa, South
ER  -