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TABLE OF CONTENTS
TOXICITY OF RADIOELEMENTS
1
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53
Application of Cellulose Nitrate Films for Alpha Autoradiography of Bone
ALAN CoLE, D. J. Simmons, HELEN Cummins, F. J. Conan, anp Jacop KaAstTNER
The Concentration of Radium, Thorium, and Uranium by Tropical Algae
D. N. Eperneton, 8. A.-Gorpon, M. M. THomMes, anp L. A. ALMopOvaAR
Separation of Cesium and Rubidium by the Ferrocyanides of Copper, Zine and Zireonium
D. N. Epaeineton, M. XI. THOMMES, AND L. I. HARRISON
Recovery and Modification of Radiation-Induced Division Delay in Developing Sea Urchin Eggs
PATRICIA FAILLA
The Retention of Ba in Beagles
J. E. Farnuam anp R. E. Rownanp 210Pb and #4°Po in Wood and the Circulation of Lead in Trees
R. B. HottzMan anv F. H. Incewicz
The Concentration of Lead in Human Bone
R. B. Hotrzman, H. F. Lucas, Jr., anp F. H. Ibcewicz
Non-Uniformity in the Retention of the Alkaline Earths in Animals and Man
ELizABetH LLoyp
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Variations in the Surface Area and Volume of Bene in Cross Sections Taken from a Single Human Rib
EvizaBETH Luoryp
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Concentrations of Trace Elements in Great Lakes Fishes
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H. F. Lucas, Jr., D. N. Epaineron, anp P. J. CotBy
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Natural Thorium in Human Bone.
H. F. Lucas, Jr., D. N. EpGIncton, AND FRANK MArkKUN
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58
A Model for the Remodeling and Exchange Rate Distributions in Adult Human Bone. Preliminary Report
76
Improved Construction of Radioactive Phantoms with Arbitrary Source Distribution
$1
“Time-of-Flight’? Gamma-Ray Camera of Large Dimensions
L. D. Marinecu, G. F. CLements, I. K. ABu-SaHumays, ano O. J. STEINGRABER
Regularization Unfolding in Low y-Ray Activity Measurements. I. Evaluation for One-Dimensional Scanning
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G. F. CLEMENTE, L. D. MARINELLI, anp I. K. Apu-SHuMays
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95
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J. H. MARSHALL
Haroitp May, L. D. MaRriIne_Lui, anp Paut Hess
Regularization Unfolding for Two Dimensions: Progress Report
I. K. Asu-SHuMAys
Metabolism of"Th Decay Series Radionuclides in Man and Other Animals Following Intravascular Administration of Thorotrast
116
R. M. Parr, H. F. Lucas, JR., anp M. L. Grrem
Strain Differences in the Response of the Mouse Skeleton to External Beta Irradiation
120
The Development and Healing of Rickets in Rats. II. Studies with Tritiated Proline
D. J. Siumons, R. Hakim, anp HELEN CuMMINS
D. J. Simmons anp A. 8. Kunin
METEOROLOGICAL STUDIES
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Chicago Air Pollution System Model Experimental Studies
J. E, Carson
Chicago’s Air Pollution Incident Control Test, Summer 1968
J. E. Carson, R. J. Vorrusa, anp J. W. Lin
Chicago Aircraft Sounding Program
J. E. Carson anp D. M. NELson
Project ITREX—A Cooperative Thunderstorm Tracer Experiment
D. F. Gatz
City of Chicago Pollution Incidents: Case Studies
D. F. Garz anp E,. W. KiarPpenpacu
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