TY  - BOOK
AU  - Wingate,Philippa
AU  - Gifford,Clive
AU  - Treays,Rebecca
TI  - Essential science
SN  - 0746010117
U1  - 500 12A
PY  - 1992///
CY  - London
PB  - Usborne
UR  - http://www.archive.org/details/essentialscience00wing
UR  - http://www.openlibrary.org/books/OL7957762M
ER  -