@inbook {22,
	title = {On the genus Tulipa L. in Bulgaria},
	booktitle = {International Botanical Congress: 12 Leningrad 1975. Abstracts...:},
	year = {1975},
	note = {Abstract only Geog=1},
	pages = {11 (1975)},
	keywords = {Systematics: ANGIOSPERMAE LILIACEAE: TULIPA},
	author = {Delipavlov, DD and Popova, MT}
}
