by THURIAUX, M. C., WEISS, P., PERRY, C. M., VALCHEV, A. S.
Published in Health libraries review (01.06.1987)

by Mashkov, P., Pencheva, T., Valchev, A., Gyoch, B.
Published in 2008 31st International Spring Seminar on Electronics Technology (01.05.2008)

by VALCHEV A, NINOV E
Year of Publication 30.09.1978

by VALCHEV A, NINOV E
Year of Publication 27.03.1974

by VALCHEV A, BAKALOV N, PEEV V
Year of Publication 05.08.1978

by VALCHEV A, BAKALOV N, PEEV V
Year of Publication 19.10.1976

by VALCHEV A, LINGORSKI N, SAVOV P, PEEV V
Year of Publication 14.08.1982

by VALCHEV A, PEEV V
Year of Publication 29.11.1977

by VALCHEV A, PEEV V, KOYCHEV T, GEORGIEV G, LAZOV L
Year of Publication 17.04.1979

by VELEV V, VALCHEV A, KTESTENYAKOV Y, VISOKOMOGILSKI G, PEEV V, NINOV E
Year of Publication 21.08.1976

by VALCHEV, NEDELCHO A
Year of Publication 14.02.1992

by VALCHEV, NEDELCHO A
Year of Publication 15.06.1990

by VALCHEV, NEDELCHO A
Year of Publication 15.01.1990

by VALCHEV, NEDELCHO A
Year of Publication 15.01.1990

by KOYCHEV T Y, KRESTENYAKOV Y I, GENEV I V, VALCHEV A Y, PARASHKEVOV H N, NINOV E P, NENOV B N, PEEV V G, LYUBENOV H K, DERSARKISYAN A M
Year of Publication 13.01.1979

by KRESTENYAKOV Y,BG, NINOV E,BG, PEEV V,BG, VELEV V,BG, VALCHEV A,BG, VISOKOMOGILSKI G,BG
Year of Publication 10.09.1974

by VALCHEV A, KOYCHEV T, GEORGIEV G, SHIVACHEV P, LAZOV L
Year of Publication 10.10.1978

by T. Y. KOYCHEV, G. M. GEORGIEV, L. K. LAZOV, A. Y. VALCHEV ET V. G. PEEV
Year of Publication 27.04.1979

by FU GUANGYING, YANG XIAOBO, DING RUIQIN, VALCHEV VALENTIN
Year of Publication 10.03.2023

by VALCHEV PETER, SAVAGE PAUL B, SCHINDLER AARON, KAMBLE, SOMAD
Year of Publication 03.06.2022