TY  - BOOK
AU  - Batty,J. et al
AU  - Batty,M.
TI  - The incubation book
SN  - 0862300614
AV  - SF495.A5 1982 
PY  - 1982///
CY  - Great Britain
PB  - The Garden City Press Ltd.
N1  - Index
ER  -