000 00325nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a408709464
041 _aen
082 _a636.4
100 _aHughes.PE
245 0 _aReproduction in the pig
260 _aLondon
_bBulterwirth
_c1980
300 _ax,241P
942 _cPR
999 _c39918
_d39918