@article{Bullen, author = {Bullen, Leonard A.}, title = {The Attainment of Tranquility, Melbourne.}, language = {en} } @article{Bullen, author = {Bullen, Leonard A.}, title = {The Awareness of Emotion, Melbourne.}, language = {en} } @article{Bullen, author = {Bullen, Leonard A.}, title = {The Cultivation of Detachment, Melbourne.}, language = {en} } @article{Bullen, author = {Bullen, Leonard A.}, title = {Basic Principles of Self-Understanding, Melbourne.}, language = {en} }