TY  - BOOK
AU  - Mackean,D.G.
AU  - Worsley,C.J.
AU  - Worsley,P.C.G.
TI  - Class experiments in biology: [students' book] 
PY  - 1982///
CY  - London
PB  - John Murray
KW  - Biology
KW  - Experiments
ER  -