00351nam a2200133Ia 4500008004100000082001900041100001900060245002500079260004400104300000800148650001800156650001800174653002500192170901s1971 xx 000 0 und d a576.6482bH58B aHershey, A. D. 0aBacteriophage Lambda aU. S. A.bCold Spring Harbor Lab.c1971 a792 aLife sciences aPure Sciences aBacteriophage lambda