000 00300 a2200121 4500
080 _a635.976.862
_bP637M
100 1 _aPilbeam, J.
245 1 _aMammillaria
_ba collector's guide
_cby J. Pilbeam
260 _aLondon
_bB.T. Batsfird
_c1981
300 _a165 p.
650 _aMammillaria
901 _a154426
999 _c87336
_d87336