1. Self-locking compass;Bouma;Mar. Geol.,1964
2. Methods for the Study of Sedimentary Structures;Bouma,1969
3. An underwater compass for collecting oriented ocean-bottom samples;Mallik,1969
4. Oriented marine cores: a description of new locking compasses and triggering mechanisms;Rosfelder;Sears Found. J. Mar. Res.,1966
5. Cruise report: marine geological cruises of R/V “Anusandhani”;Siddiquie;Indian Miner.,1971