000 00285nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSubhash Chandra Gatta
245 3 _aAn Introduction to symnersperms
260 _bAsia pub
260 _c1966
365 _b12.00
942 _cBK
999 _c195737
_d195737