1006000 100600 KEUFFEL & ESSER CO. MADE IN U.S.A, 1000 100 Kee SEMI-LOGARITHMMIC 7 CYCLES X 60 DIVISIONS 40 ULsbo counts 10000 10 20 Fig. 2. 40 60 80 100 120 140 160 180 200 MEV Gamma-ray spectrum of spiny lobster hepatopancreas from Bikini Atoll, 1969.