POD

Held April 1969, Minneapolis, Minnesota, USA and September 1969, New York, New York, USA. Petroleum Preprints Volume 14 #1-4

Held February 1970, Houston, Texas, USA and September 1970, Chicago, Illinois, USA. Petroleum Preprints Volume 15 #1-4

Held March-April 1971, Los Angeles, California, USA and September 1971, Washington, DC, USA. Petroleum Preprints Volume 16 #1-4

Held April 1972, Boston, Massachusetts, USA and August-September 1972, New York, New York, USA. Petroleum Preprints Volume 17 #1-4

Held April 1973, Dallas, Texas, USA and August 1973, Chicago, Illinois, USA. Petroleum Preprints Volume 18 #1-4

Held April 1974, Los Angeles, California, USA and September 1974, Atlantic City, New Jersey, USA. Petroleum Preprints Volume 19 #1-4

Held April 1975, Philadelphia, Pennsylvania, USA and August 1975, Chicago, Illinois, USA. Petroleum Preprints Volume 20 #1-4

Held April 1976, New York, New York, USA and August-September 1976, San Francisco, California, USA. Petroleum Preprints Volume 21 #1-4

Held March 1977, New Orleans, Louisiana, USA and August 1977, Chicago, Illinois, USA. Petroleum Preprints Volume 22 #1-4

Held March 1978, Anaheim, California, USA and September 1978, Miami, Florida, USA. Petroleum Preprints Volume 23 #1-4

Held April 1979, Honolulu, Hawaii, USA and September 1979, Washington, DC, USA. Petroleum Preprints Volume 24 #1-4

Held March 1980, Houston, Texas, USA and August 1980, Las Vegas, Nevada, USA. Petroleum Preprints Volume 25 #1-4