Authors: Ruhala, LA Engel, RS

Citation: La. Ruhala et Rs. Engel, An investigation of the effects of fiber volume fraction on the impact properties of fiber reinforced composite laminated plates, J REINF PL, 19(6), 2000, pp. 449-464

Authors: Rude, TJ Strait, LH Ruhala, LA

Citation: Tj. Rude et al., Measurement of fiber density by helium pycnometry, J COMPOS MA, 34(22), 2000, pp. 1948-1958

Authors: Ruhala, LA Engel, RS

Citation: La. Ruhala et Rs. Engel, A study of the impact performance of fiber reinforced composite laminated plates due to various relative fiber contents and densities, J THERM COM, 12(3), 1999, pp. 227-239