TY  - BOOK
AU  - Hancock, Ralph.
AU  - Lyth, Mike.
TI  - How scientists work: teachers guide 1 
SN  - 9780582030084
U1  - 507 HOW 
PY  - 1986///
CY  - Longman Group UK Limited
PB  - Nuffield
KW  - Science
N1  - includes index
ER  -