TY  - BOOK
AU  - Jacobson,Willard J.
ED  - American Book Company.
TI  - Science: building ideas [level 1] 
T2  - Investigating in science
AV  - J1 .A40.81
PY  - 1972///
CY  - New York
PB  - American Book
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Includes glossary and index
UR  - http://www.archive.org/details/sciencebuildingi00jaco
UR  - http://www.openlibrary.org/books/OL24630359M
ER  -