Educator Resource Center.
Contributors: Goddard Space Flight Center.
Publisher: National Aeronautics and Space Adminimistration, Goddard Space Flight Center
Published: 1998
Place of publication: Greenbelt, Md
Language: eng
Subjects: Educator Resource Center (Goddard Space Flight Center); Science -- Study and teaching -- Northeastern States
Notes: Shipping list no.: 98--135-P.