TY  - BOOK
AU  - Jefferis,David
TI  - Trail bikes and motocross 
SN  - 0531190765
AV  - GV1049.3 .J44 1990
U1  - 796.7/56 20
PY  - 1990///
CY  - New York, N.Y.
PB  - Warwick Press
KW  - Motocross
KW  - Juvenile literature
N1  - "First published in 1989 by Kingfisher Books"--T.p. verso; Includes index
N2  - Introduces the techniques, equipment, competitions, events, and champions of motocross
ER  -