000			00292nam a2200097Ia 4500
100			_aSahni B
245			_aStructure of Zygopteris....Botrychioxylon Phil Trans Royal Soc London Ser B 222
260			_bRoyal Soc of London, London
082			_aH6/N32/B11648
300			_app 29-45,pls 6-8; 31*25
999			_c27770 _d27770