by Todorova, Milka N., Christov, Rumen C., Evstatieva, Lyuba N.
Published in The Journal of essential oil research (01.07.2000)

by Milkova, Tsenka, Talev, Georgi, Christov, Rumen, Dimitrova-Konaklieva, Stefka, Popov, Simeon
Published in Phytochemistry (Oxford) (01.05.1997)

by Todorova, Milka N., Kuleva, Lilyana V., Christov, Rumen C., Vitkova, Antonina A.
Published in The Journal of essential oil research (01.05.1997)

by Stanchev, S, Christov, R, Simova, S, Mladenova, M, Linden, A
Published in Phosphorus and sulfur and the related elements (01.07.1995)