000 00419nad a22001577a 4500
008 120525s1929 -us||||| |||| 00| 0 eng d
041 _aeng
100 1 _aMavor, James W.
245 1 _aX-rays and mutations /
_cJames W. Mavor
260 _a[S.l. :
_bs.n.],
_c1929
300 _a4 p. ;
_c26 cm
440 1 _aScience ;
_v69
500 _aTav. di studio SZN
760 _013842
_913842
_tHexapoda
_w13842
942 _2ddc
_cPM
999 _c34679
_d34679