00577pam a2200217 a 4500 2909110 20180201040803.0 880209s1988 nyua b 000 0 eng 88004137 013794652X DLC DLC DLC eng 72.35044 ALL 372.35044 ALL 19 45 EDU Science demonstrations for the elementary classroom / Dorothea Allen. Bibliography: p. 265-266. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 41474 41474 0 0 udc 0 0 PËKG 002 002 PËKG 2018-02-01 0 372.35044 ALL 002-2997773 2018-02-01 2018-02-01 BK