1. I . K. K. AHUJA, J. LEPICOVSKY, C.K.W. TAM, P. J. MORRIS and R. H. BURRIN 1981 NASA CR-(to be assigned). Tone excited jet - theory and experiments.
2. M. C. WHIFFEN and K. K. AHUJA 1981 To be submitted t o Journal of Sound and VibratiorL. An improved schlieren system and some new results on acoustically excited jets.