00337nam a2200145Ia 4500008004100000035001000041082002100051100001600072245004400088250000800132260002700140300000900167500000900176650000600185210723s9999||||xx |||||||||||||| ||und|| a54706 a570.3BENC / GRA aGray, Peter 0aEncyclopedia of the Biological Sciences a2nd aNew YorkbVan Nostrand a1027 aD-32 a-