000 00281nam a2200109Ia 45e0
008 181001s1978 xx 000 0 und d
100 _aLevin
245 0 _aLecture notes in biomathematics
260 _aN.Y.
_bSpringer
_c1978
300 _a191
942 _2ddc
_cBK
999 _c2829
_d2829