TY  - BOOK
AU  - Malthus T R
TI  - T.R. Malthus:  Essays on the principle of population or a view of its past and present effect on human happiness   
U1  - XxL66, M9.1-M9.2 
PY  - 1989///
CY  - Cambridge
PB  - Cambridge University Press        
ER  -