000 00298nam a22001097a 4500
020 _a335020011
082 _a500
_bOPM
245 _aMass,Length and Time
_b: science foundation course unit 3
_cThe Open University Press
260 _bThe Open University Press,
_c1970.
300 _a48p.
942 _cBK
999 _c151968
_d151968