000			00393nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a387508120
041			_aen
082			_a595.705
100			_aBuschinger A
245		0	_aSocial insects : an evolutionary approach to castes and reproduction
260			_aBerlin ; New York : _bSpringer-Verlag, _c1990
300			_a264 p,
942			_cPR
999			_c47073 _d47073