Guthrie, R. D.. "System for symbolic representation of reaction mechanisms (Recommendations 1988)" Pure and Applied Chemistry, vol. 61, no. 1, 1989, pp. 23-56. https://doi.org/10.1351/pac198961010023
Guthrie, R. (1989). System for symbolic representation of reaction mechanisms (Recommendations 1988). Pure and Applied Chemistry, 61(1), 23-56. https://doi.org/10.1351/pac198961010023
Guthrie, R. (1989) System for symbolic representation of reaction mechanisms (Recommendations 1988). Pure and Applied Chemistry, Vol. 61 (Issue 1), pp. 23-56. https://doi.org/10.1351/pac198961010023
Guthrie, R. D.. "System for symbolic representation of reaction mechanisms (Recommendations 1988)" Pure and Applied Chemistry 61, no. 1 (1989): 23-56. https://doi.org/10.1351/pac198961010023
Guthrie R. System for symbolic representation of reaction mechanisms (Recommendations 1988). Pure and Applied Chemistry. 1989;61(1): 23-56. https://doi.org/10.1351/pac198961010023