TY  - BOOK
ED  - Science and Technology for Children (Project)
ED  - National Science Resources Center (U.S.)
ED  - Carolina Biological Supply Company.
TI  - Measuring time: teacher's guide 
SN  - 0892789344
PY  - 2002///]
CY  - Burlington, NC
PB  - Carolina Biological Supply Company
KW  - Time measurements
KW  - Study and teaching (Elementary)
KW  - Science
KW  - fast
KW  - Education
KW  - USA
KW  - Textbook timekeeping juvenile
KW  - Smithsonian
KW  - Timekeeper (general)
N1  - Includes bibliographical references (pages 159-163); [V. 1]. Student activity book -- [volume 2]. Teacher's guide; Grade 6
ER  -