000 00359nam a22001337a 4500
020 _a81-7223-538-0
082 _a030
_bHAR/H
100 _aHARPER COLLINS
245 _aHOW THINGS WORK
_b2 - THE UNIVERSAL ENCYCLOPEDIA OF MACHINES
260 _aUNITED KINGDOM
_bHARPER COLLINS
_c2003
300 _a591
650 _aGENERAL KNOWLEDGE
_zUNITED KINGDOM
942 _cBK
999 _c2172
_d2172