[1]
Osabohien, E., Adaikpoh, E.O. and Nwabue, F. I. 2005. Analysis and Purification of Nkalagu (Nigeria) Limestone and Poultry Eggshells for the Production of Paint Grade Calcium Carbonate: Short Communication. Biological Sciences - PJSIR. 48, 6 (Dec. 2005), 433–435.