Radhakrishnan, P अंतरिक्ष में मानव Antariksh mein maanav - New Delhi: Prakashan evam Suchna Nideshalay, 1994 - 78p. ISBN: 81-7236-075-4 Subjects--Topical Terms: Science Subjects--Index Terms: Universe Universal Decimal Class. No.: 52-053.1 / N4