000 00351nam a2200145 4500
003 OSt
008 220602b |||||||| |||| 00| 0 eng d
082 _a372.7
_bBEL
100 _aBell,S.E
245 _aTransformations and Symmetry
260 _aLondon:
_bLongmans,
_c1968.
300 _a32 p.;
_bill.
_c20 cm
650 0 _aEducation
942 _2ddc
_cLM
999 _c139235
_d139235