တမ်းပလိတ်:RubberBible86th
Lide, D. R., ed. (2005)။ CRC Handbook of Chemistry and Physics (86th ed.)။ Boca Raton (FL): CRC Press။ ISBN 0-8493-0486-5။ Lua error in မော်ဂျူး:Documentation at line 144: message: type error in message cfg.container (string expected, got nil).