Encyclopaedia of the world scientists / edited by Nagendra Kr. Singh. - New Delhi : APH publishing, 2004. - Vols. ; 30 cm. V. 1-(A to B) ; 300 300 ISBN: 81-7648-560-8 Subjects--Topical Terms: Scientists -- Biography -- Encyclopedias.Scientists. Dewey Class. No.: 925.03 / E19