000 00315nam a2200133Ia 4500
008 220601s1960 xx 000 0 eng d
041 _aEnglish
082 _a655
_bPEN
100 _aPenrose
245 0 _aPenrose Annual Vol.54 (1960)
_cPenrose
260 _bLund Pub:Londan
_c1960
650 _aO.M
942 _2ddc
_cBK
999 _c5843
_d5843