L. C. FOWKEC. W. BECH - HANSENO. L. GAMBORGJ. P. SHYLUK2020-05-142020-05-141973Amer.J. Bot. 60(4): 304-312. 1973http://hdl.handle.net/123456789/7756enELECTRON MICROSCOPIC OBSERVATIONS OF CULTURED CELLS AND PROTOPLASTS OF AMMI VISNAGAArticle