000 00293nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSadhu, Mouni
245 0 _aConcentration
260 _bGeorge Allen and Unwin Ltd.
_aLondon
_c1959
942 _c1
999 _c60259
_d60259