TY  - BOOK
ED  - Harpercollins Publishers India
TI  - How things work vol.I: the universal encyclopedia of machines
SN  - 0 586 08095 3
U1  - 620.003/H295h/1992 
PY  - 1992///
CY  - India
PB  - Harpercollins Publishers India
KW  - Machine
KW  - Encyclopedia
N1  - includes index
ER  -