000 002770000a22001330004500
245 _aChallenge of the land
100 _aLittle, C.E.
250 _a2d ed.
260 _aNew York
_bPergamon
_c1969
300 _a151 p.
080 _a712.25
_bL5
041 _aEN
942 _cBK
999 _c97250
_d97250