000 01110nam a22001577a 4500
008 221103b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 03
_bN0.1
245 _aYoung scientists
_c/ World Book Company
260 _8Chicago:
_aWorld Book Company,
_b1990
300 _a62p.
500 _aVol. 1 (The planet earth); 62p. Vol. 2 (All about water); 62p. Vol. 3 (Discovering gases); 62p. Vol. 4 (The living world); 62p. Vol. 5 (Plant life); 62p. Vol. 6 (Animal without backbones); 62p. Vol. 7 (Animal without backbones); 62p. Vol. 8 (The human machine); 62p. Vol. 9 (Using energy); 62p. Vol. 10 (Introducing electricity); 62p. Vol. 11(Magnetic power); 62p. Vol. 12 (Investigating light); 62p. Vol. 13 (Atoms and molecules); 62p. Vol. 14 (Looking structures); 62p. Vol. 15 (Machines at work); 62p. Vol. 16 (Communicating); 62p. Vol. 17 (The age of computers); 62p. Vol. 18 (Space technology); 62p. Vol. 19 (Our world in danger); 62p. Vol. 20 (Key book); 62p.
650 _aManagement
653 _aScience
942 _2udc
_cBK
999 _c27910
_d27910