TY  - BOOK
AU  - Lawrence,Eleanor
TI  - A guide to modern biology: Genetics, cells and systems 
SN  - 0-470-21401-5
AV  - QH308.2 L39
PY  - 1989///
CY  - Essex, england
PB  - Longman Scientific & Technical
KW  - Biología
ER  -