TY  - BOOK
AU  - PROFESSOR WILLIS J A /PROFESSOR SLEIGH A.M
TI  - A SERIES OF STUDENT TEXTS IN CONTEMPORARY BIOLOGY
SN  - 071312802-X
AV  - QK95.58 1980 
PY  - 1980///
CY  - LONDON
PB  - EDWARD ARNOID LTD
ER  -