000 00486nad a22001577a 4500
008 120525s1915 -us||||| |||| 00| 0 eng d
041 _aeng
100 1 _aPearl, Raymond
245 1 2 _aA system of recording types of mating in experimental breeding operations /
_cRaymond Pearl
260 _a[S.l. :
_bs.n.],
_c1915
300 _a4 p. :
_bill. ;
_c25 cm
440 1 _aScience ;
_v42
500 _aTav. di studio SZN
760 _025169
_925169
_tBiologia generale
_w25169
942 _2ddc
_cPM
999 _c34766
_d34766