Barker, P. (2002). Top 1000 scientists from the beghinning of time to 2000 AD. Universities press India Pvt Ltd.
Chicago ZitierstilBarker, Philip. Top 1000 Scientists from the Beghinning of Time to 2000 AD. Hyderabad: Universities press India Pvt Ltd, 2002.
MLA ZitierstilBarker, Philip. Top 1000 Scientists from the Beghinning of Time to 2000 AD. Universities press India Pvt Ltd, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.