Das , K.. (1996). Main group elements and their compounds: Perspectives in materials science , chemistry and biology. Narosa publishing house.
Dyfyniad Arddull ChicagoDas , Kumar. Main Group Elements and Their Compounds: Perspectives in Materials Science , Chemistry and Biology. New Delhi: Narosa publishing house, 1996.
Dyfyniad MLADas , Kumar. Main Group Elements and Their Compounds: Perspectives in Materials Science , Chemistry and Biology. Narosa publishing house, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.