Methods in bryology : proceedings of the Bryological Methods Workshop, satellite conference of the XIV International Botanical Congress under the auspices of the International Association of Bryologists, 17-23 July 1987, Mainz, Federal Republic of Germany - Bryological Methods Workshop (1987 : Mainz, Rhineland-Palatinate, Germany); Glime, Janice M.; International Association of Bryologists; International Botanical Congress (Hattori Botanical Laboratory, 1988)