000 00304nam a2200133 4500
020 _a0876631294
050 0 0 _aMED Q175
_bD613
100 1 _aDellow, E. L.
245 1 0 _aMethods of science;
260 _aNew York,
_bUniverse Books
_c[1970]
300 _a268 p.
_billus.
650 0 _aScience
942 _cBK
999 _c13662
_d13662