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Science, New Series, Vol. 228, No. 4698, Apr. 26, 1985


Previous Issue: New Series, Vol. 228, No. 4697, Apr. 19, 1985
Next Issue: New Series, Vol. 228, No. 4699, May 3, 1985


Front Matter (26 pp.)


Letters
Sulfur Dioxide Emissions, pp. 390-391
Alan W. Katzenstein
High-Technology Agriculture, pp. 391-392
W. Harding Le Riche
Infrastructure, p. 392
Michael P. Doyle
Nitropyrenes, p. 392
Robert Mermelstein; Herbert S. Rosenkranz


Computers and Research
The Computer Issue, p. 401
Daniel E. Koshland
An Approach to Complexity: Numerical Computations, pp. 403-408
Larry L. Smarr
Computer-Assisted Analysis in Organic Synthesis, pp. 408-418
E. J. Corey; Alan K. Long; Stewart D. Rubenstein
New Approaches in Economic Analysis, pp. 419-422
Wassily Leontief; Faye Duchin; Daniel B. Szyld
Computers in Production Agriculture, pp. 422-427
Donald A. Holt
Some Computer-Based Developments in Sociology, pp. 428-433
David R. Heise; Roberta G. Simmons
Computer Applications in the Humanities, pp. 434-438
Joseph Raben
Personal Computers on Campus, pp. 438-444
M. Mitchell Waldrop
Electronic Databases, pp. 445-450+455-456
Martha E. Williams
Intelligent Tutoring Systems, pp. 456-462
John R. Anderson; C. Franklin Boyle; Brian J. Reiser
Multis: A New Class of Multiprocessor Computers, pp. 462-467
C. Gordon Bell
Workstations in Science, pp. 467-470
William Joy; John Gage


News and Comment
Security Problems Plague Scientific Meeting, pp. 471-472
Colin Norman
Generics, Roche Joust for Valium Market, pp. 472-473
Marjorie Sun
NIMH Emphasizes the Basics, pp. 474-475
Constance Holden
Europe Tries Cooperation on Military R&D, pp. 475-476
David Dickson
Deficit Woes Spur Drive to Kill Synfuels, p. 477
Mark Crawford


Briefing
Mixed Signals on Stanford Biotech Patent, p. 478
Marjorie Sun
U.S. Tops Soviets in Key Weapons Technology, p. 478
R. Jeffrey Smith
Comings and Goings, p. 478


Research News
Must ``Hard Problems'' be Hard?, pp. 479-481
Gina Kolata
Synchrotron Radiation Takes over at Orsay, pp. 481-483
Arthur L. Robinson


Book Reviews
Occupational Inequalities, pp. 484-485
Sex Segregation in the Workplace
Barbara F. Reskin
Review author[s]: Cora Bagley Marrett
Nonlinear Dynamics, pp. 485-486
Statistical Physics and Chaos in Fusion Plasmas
C. W. Horton; L. E. Reichl
Review author[s]: Allan Kaufman
Quaternary Environments, p. 486
Quaternary Stratigraphy of Canada
R. J. Fulton
Review author[s]: David M. Mickelson
Some Other Books of Interest, p. 486
Handbook of Squirrel Monkey Research
Leonard A. Rosenblum; Christopher L. Coe
Dinoflagellates
David L. Spector
Review author[s]: KL


Reports
Storage and Remobilization of Suspended Sediment in the Lower Amazon River of Brazil, pp. 488-490
Robert H. Meade; Thomas Dunne; Jeffrey E. Richey; Umberto De M. Santos; Eneas Salati
Monoclonal Antibody-Directed Radioimmunoassay Detects Cytochrome P-450 in Human Placenta and Lymphocytes, pp. 490-492
Byung-Joon Song; Harry V. Gelboin; Sang Shin Park; George C. Tsokos; Fred K. Friedman
Two Types of Somatostatin Receptors Differentiated by Cyclic Somatostatin Analogs, pp. 492-495
Vinh T. Tran; M. Flint Beal; Joseph B. Martin
Protection of Mice against Fatal Herpes Simplex Type 2 Infection by Liposomes Containing Muramyl Tripeptide, pp. 495-497
Wayne C. Koff; Stephen D. Showalter; Berge Hampar; Isaiah J. Fidler
Interleukin-1 Stimulation of Astroglial Proliferation after Brain Injury, pp. 497-499
Dana Giulian; Lawrence B. Lachman
A Specific 37,000-Dalton Protein that Accumulates in Regenerating but not in Nonregenerating Mammalian Nerves, pp. 499-501
Hans Werner Müller; Peter J. Gebicke-Häarter; Donald H. Hangen; Eric M. Shooter
Genetic Origin of Mutations Predisposing to Retinoblastoma, pp. 501-503
Webster K. Cavenee; Marc F. Hansen; Magnus Nordenskjold; Eric Kock; Irene Maumenee; Jeremy A. Squire; Robert A. Phillips; Brenda L. Gallie


Back Matter (22 pp.)

Previous Issue: New Series, Vol. 228, No. 4697, Apr. 19, 1985
Next Issue: New Series, Vol. 228, No. 4699, May 3, 1985



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