Back to the Abstract

	1 Introduction
	2 The young open clusters IC 4996 and NGC 6530
	3 Observations and data reduction
	4 Frequency analysis
	5 Pulsating PMS stars in IC 4996
	6 Pulsating PMS stars in NGC 6530
	7 Pulsation constants
	8 Other variable stars
	9 Cluster properties
	10 Conclusions
	References

	List of tables
	List of figures