TY - BOOK AU - Jacobson,Willard J. AU - Tannenbaum,Harold E. TI - Modern elementary school science: a recommended sequence T2 - Science manpower project monographs AV - LB1585 .J3 U1 - 372.35 PY - 1961/// CY - New York PB - Bureau of Publications, Teachers College, Columbia University KW - Science KW - Study and teaching (Elementary) KW - Local ER -