TY  - CHAP
A1  - Malthus, T.R.
T1  - An essay on the principle of population (1798)
Y1  - 1986
A3  - Wrigley, E.A.
A3  - Souden, D.
T2  - The Works of Thomas Robert Malthus
CY  - London
PB  - William Pickering
T3  - Vol 1

ER  -