000 00332nam a22001337a 4500
082 _a502
_bSLO
_cL-tech;P-28
100 _aEdwin E., Slosson
245 _aKeeping up with science
_cSlosson, Edwin E.
250 _a1st ed.
260 _aUSA :
_bWashington,
_c1924.
300 _a355 p. :
_bill. ;
_c12 cm. +
650 _aMCE
942 _cBK
999 _c3640
_d3640