000 00308 a2200133 4500
020 _a0335173381
082 _a536
_bOPE
090 _c7355
_d10231
245 _aBlock 1 heat
_bliving with technology
260 _aWalton
_bOpen University
_c1988
_g1988
300 _a36p.
_c28cm.
650 _aHEAT
942 _cSR
999 _c36067
_d36067