TY  - BOOK
AU  - Katsiambirtas,E.E.
TI  - Probabilities of sequences of hot and cold days in the cold days in the Orange Free State
U1  - 551.52509683 
PY  - 1977///
CY  - Pretoria
PB  - (Weather Bureau)
N1  - Suid-Afrika (Republiek) Dept. van vervoer. Weerburo. Tegniese verhandeling, no. 5
ER  -