TY  - BOOK
AU  - Speight, H
TI  - Economcs The Science Of Prices And Incomes
U1  - 581.87 
PY  - 1960///
CY  - London
PB  - Methuen and Co.
KW  - General Stack
KW  - Plant chromosomes
KW  - Plants, cultivated--OriginPlant breedingPlants- Evolution
KW  - Botany
ER  -