000 00319nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
080 _a635.261:631.526.3
245 _aVarieties of lecks
260 _aCambridge
260 _c1982
440 _aNo. 6; National Institute of A
901 _pS37198
942 _cB
_2udc
999 _c136399
_d136399