TY  - SER
ED  -  National Research Council of the United States of America.
ED  -  United States. 
TI  -  News report
SN  -  0027-843
PY  - 1990///-
CY  -  Washington, D.C. : 
PB  -  National Research Council of  the United State s of America, 
KW  -  Science
KW  -  Periodicals
KW  -  Technology
N1  -  Latest issue consulted: Vol. 43, No. 3 (Summer 1993)
ER  -