TY  - BOOK
AU  - Maynard, Christopher
TI  - I wonder why planes have wings: and other questions about transport 
SN  - 0-86272-947-5
AV  - REF 030 W872 1999
PY  - 1999///
CY  - Danbury, Connecticut
PB  - Grolier Inc
KW  - Transportation
N1  - Includes index
N2  - With information and quirky facts to explain everything from 'Why do cars need petrol?' to 'Why do ships sink?'
ER  -