000			00299nam a2200121Ia 4500
008			151205s9999||||xx |||||||||||||| ||und||
020			_c0
100			_aNELSEN,OLIN E.
245			_aCOMPARATIONE EMBRYOLOGY OF THE VERTEBRATES
260			_bMCGRAW-HILL
650			_aANIMAL EMBRYOLOGY
942			_cBK
999			_c294836 _d294836