000 00337nam a2200109Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
100 _aChopra, G.L.
_916612
245 _aGymnosperms (including exhaustive comparisons for BSc. and postgraduate students)
250 _aEighth
250 _b1962. ii-136
260 _bS.Nagain. Jullundur, India
999 _c16477
_d16477