1. Statistical analysis of ripple marks in Atokan and Desmoinesian rocks in the Arkoma Basin of East-Central Oklahoma;Agterberg;J. Sedim. Petrol.,1963
2. Self locking compass;Bouma;Mar. Geol.,1964
3. Corehead camera for measurement of currents and core orientation;Ewing;Deep-Sea Res.,1967
4. A core-aligner designed to recover oriented recent marine cores;Felsher;Limnol. Oceanogr.,1964
5. A photographic compass inclinometer for the orientation of deep-sea sediment samples;Harrison;J. Ocean. Technol.,1967