000			00410nam a2200157Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a521401089
041			_aen
082			_a591.33
100			_aSLACK J.M.W
245		0	_aFrom Egg to Embryo-Regional Specification in early developme
250			_a3rd Ed.
260			_aCambridge. _bCambridge Uni. Press, GB _c1991
300			_a(xx),328p;
942			_cSR
999			_c76732 _d76732